diff --git a/lodash.js b/lodash.js
index d92b91144..133b30f39 100644
--- a/lodash.js
+++ b/lodash.js
@@ -8,13 +8,13 @@
  */
 ;(function() {
 
-  /** Used as a safe reference for `undefined` in pre ES5 environments */
+  /** Used as a safe reference for `undefined` in pre ES5 environments. */
   var undefined;
 
-  /** Used as the semantic version number */
+  /** Used as the semantic version number. */
   var VERSION = '3.0.0-pre';
 
-  /** Used to compose bitmasks for wrapper metadata */
+  /** Used to compose bitmasks for wrapper metadata. */
   var BIND_FLAG = 1,
       BIND_KEY_FLAG = 2,
       CURRY_FLAG = 4,
@@ -24,38 +24,38 @@
       PARTIAL_RIGHT_FLAG = 64,
       REARG_FLAG = 128;
 
-  /** Used as default options for `_.trunc` */
+  /** Used as default options for `_.trunc`. */
   var DEFAULT_TRUNC_LENGTH = 30,
       DEFAULT_TRUNC_OMISSION = '...';
 
-  /** Used to detect when a function becomes hot */
+  /** Used to detect when a function becomes hot. */
   var HOT_COUNT = 150,
       HOT_SPAN = 16;
 
-  /** Used to indicate the type of lazy iteratees */
+  /** Used to indicate the type of lazy iteratees. */
   var LAZY_FILTER_FLAG = 0,
       LAZY_MAP_FLAG = 1,
       LAZY_WHILE_FLAG = 2;
 
-  /** Used as the `TypeError` message for "Functions" methods */
+  /** Used as the `TypeError` message for "Functions" methods. */
   var FUNC_ERROR_TEXT = 'Expected a function';
 
-  /** Used as the internal argument placeholder */
+  /** Used as the internal argument placeholder. */
   var PLACEHOLDER = '__lodash_placeholder__';
 
-  /** Used to generate unique IDs */
+  /** Used to generate unique IDs. */
   var idCounter = 0;
 
-  /** Used to match empty string literals in compiled template source */
+  /** Used to match empty string literals in compiled template source. */
   var reEmptyStringLeading = /\b__p \+= '';/g,
       reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
       reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
 
-  /** Used to match HTML entities and HTML characters */
+  /** Used to match HTML entities and HTML characters. */
   var reEscapedHtml = /&(?:amp|lt|gt|quot|#39|#96);/g,
       reUnescapedHtml = /[&<>"'`]/g;
 
-  /** Used to match template delimiters */
+  /** Used to match template delimiters. */
   var reEscape = /<%-([\s\S]+?)%>/g,
       reEvaluate = /<%([\s\S]+?)%>/g,
       reInterpolate = /<%=([\s\S]+?)%>/g;
@@ -67,22 +67,22 @@
    */
   var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
 
-  /** Used to match `RegExp` flags from their coerced string values */
+  /** Used to match `RegExp` flags from their coerced string values. */
   var reFlags = /\w*$/;
 
-  /** Used to detect named functions */
+  /** Used to detect named functions. */
   var reFuncName = /^\s*function[ \n\r\t]+\w/;
 
-  /** Used to detect hexadecimal string values */
+  /** Used to detect hexadecimal string values. */
   var reHexPrefix = /^0[xX]/;
 
-  /** Used to detect host constructors (Safari > 5) */
+  /** Used to detect host constructors (Safari > 5). */
   var reHostCtor = /^\[object .+?Constructor\]$/;
 
-  /** Used to match latin-1 supplement letters (excluding mathematical operators) */
+  /** Used to match latin-1 supplement letters (excluding mathematical operators). */
   var reLatin1 = /[\xc0-\xd6\xd8-\xde\xdf-\xf6\xf8-\xff]/g;
 
-  /** Used to ensure capturing order of template delimiters */
+  /** Used to ensure capturing order of template delimiters. */
   var reNoMatch = /($^)/;
 
   /**
@@ -92,13 +92,13 @@
    */
   var reRegExpChars = /[.*+?^${}()|[\]\/\\]/g;
 
-  /** Used to detect functions containing a `this` reference */
+  /** Used to detect functions containing a `this` reference. */
   var reThis = /\bthis\b/;
 
-  /** Used to match unescaped characters in compiled string literals */
+  /** Used to match unescaped characters in compiled string literals. */
   var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
 
-  /** Used to match words to create compound words */
+  /** Used to match words to create compound words. */
   var reWords = (function() {
     var upper = '[A-Z\\xc0-\\xd6\\xd8-\\xde]',
         lower = '[a-z\\xdf-\\xf6\\xf8-\\xff]+';
@@ -106,19 +106,19 @@
     return RegExp(upper + '{2,}(?=' + upper + lower + ')|' + upper + '?' + lower + '|' + upper + '+|[0-9]+', 'g');
   }());
 
-  /** Used to detect and test whitespace */
+  /** Used to detect and test for whitespace. */
   var whitespace = (
-    // whitespace
+    // Basic whitespace characters.
     ' \t\x0b\f\xa0\ufeff' +
 
-    // line terminators
+    // Line terminators.
     '\n\r\u2028\u2029' +
 
-    // unicode category "Zs" space separators
+    // Unicode category "Zs" space separators.
     '\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000'
   );
 
-  /** Used to assign default `context` object properties */
+  /** Used to assign default `context` object properties. */
   var contextProps = [
     'Array', 'ArrayBuffer', 'Date', 'Error', 'Float32Array', 'Float64Array',
     'Function', 'Int8Array', 'Int16Array', 'Int32Array', 'Math', 'Number',
@@ -128,16 +128,16 @@
     'window', 'WinRTError'
   ];
 
-  /** Used to fix the JScript `[[DontEnum]]` bug */
+  /** Used to fix the JScript `[[DontEnum]]` bug. */
   var shadowedProps = [
     'constructor', 'hasOwnProperty', 'isPrototypeOf', 'propertyIsEnumerable',
     'toLocaleString', 'toString', 'valueOf'
   ];
 
-  /** Used to make template sourceURLs easier to identify */
+  /** Used to make template sourceURLs easier to identify. */
   var templateCounter = -1;
 
-  /** `Object#toString` result references */
+  /** `Object#toString` result references. */
   var argsClass = '[object Arguments]',
       arrayClass = '[object Array]',
       boolClass = '[object Boolean]',
@@ -163,7 +163,7 @@
       uint16Class = '[object Uint16Array]',
       uint32Class = '[object Uint32Array]';
 
-  /** Used to identify object classifications that are treated like arrays */
+  /** Used to identify object classifications that are treated like arrays. */
   var arrayLikeClasses = {};
   arrayLikeClasses[argsClass] =
   arrayLikeClasses[arrayClass] = arrayLikeClasses[float32Class] =
@@ -178,7 +178,7 @@
   arrayLikeClasses[regexpClass] = arrayLikeClasses[setClass] =
   arrayLikeClasses[stringClass] = arrayLikeClasses[weakMapClass] = false;
 
-  /** Used to identify object classifications that `_.clone` supports */
+  /** Used to identify object classifications that `_.clone` supports. */
   var cloneableClasses = {};
   cloneableClasses[argsClass] = cloneableClasses[arrayClass] =
   cloneableClasses[arrayBufferClass] = cloneableClasses[boolClass] =
@@ -193,14 +193,14 @@
   cloneableClasses[funcClass] = cloneableClasses[mapClass] =
   cloneableClasses[setClass] = cloneableClasses[weakMapClass] = false;
 
-  /** Used as an internal `_.debounce` options object by `_.throttle` */
+  /** Used as an internal `_.debounce` options object by `_.throttle`. */
   var debounceOptions = {
     'leading': false,
     'maxWait': 0,
     'trailing': false
   };
 
-  /** Used to map latin-1 supplementary letters to basic latin letters */
+  /** Used to map latin-1 supplementary letters to basic latin letters. */
   var deburredLetters = {
     '\xc0': 'A',  '\xc1': 'A', '\xc2': 'A', '\xc3': 'A', '\xc4': 'A', '\xc5': 'A',
     '\xe0': 'a',  '\xe1': 'a', '\xe2': 'a', '\xe3': 'a', '\xe4': 'a', '\xe5': 'a',
@@ -221,20 +221,7 @@
     '\xdf': 'ss'
   };
 
-  /**
-   * Used to map characters to HTML entities.
-   *
-   * **Note:** Though the ">" character is escaped for symmetry, characters like
-   * ">" and "/" don't require escaping in HTML and have no special meaning
-   * unless they're part of a tag or unquoted attribute value.
-   * See [Mathias Bynens's article](http://mathiasbynens.be/notes/ambiguous-ampersands)
-   * (under "semi-related fun fact") for more details.
-   *
-   * Backticks are escaped because in Internet Explorer < 9, they can break out
-   * of attribute values or HTML comments. See [#102](http://html5sec.org/#102),
-   * [#108](http://html5sec.org/#108), and [#133](http://html5sec.org/#133) of
-   * the [HTML5 Security Cheatsheet](http://html5sec.org/) for more details.
-   */
+  /** Used to map characters to HTML entities. */
   var htmlEscapes = {
     '&': '&amp;',
     '<': '&lt;',
@@ -244,7 +231,7 @@
     '`': '&#96;'
   };
 
-  /** Used to map HTML entities to characters */
+  /** Used to map HTML entities to characters. */
   var htmlUnescapes = {
     '&amp;': '&',
     '&lt;': '<',
@@ -254,13 +241,13 @@
     '&#96;': '`'
   };
 
-  /** Used to determine if values are of the language type `Object` */
+  /** Used to determine if values are of the language type `Object`. */
   var objectTypes = {
     'function': true,
     'object': true
   };
 
-  /** Used to escape characters for inclusion in compiled string literals */
+  /** Used to escape characters for inclusion in compiled string literals. */
   var stringEscapes = {
     '\\': '\\',
     "'": "'",
@@ -278,19 +265,19 @@
    */
   var root = (objectTypes[typeof window] && window !== (this && this.window)) ? window : this;
 
-  /** Detect free variable `exports` */
+  /** Detect free variable `exports`. */
   var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
 
-  /** Detect free variable `module` */
+  /** Detect free variable `module`. */
   var freeModule = objectTypes[typeof module] && module && !module.nodeType && module;
 
-  /** Detect free variable `global` from Node.js or Browserified code and use it as `root` */
+  /** Detect free variable `global` from Node.js or Browserified code and use it as `root`. */
   var freeGlobal = freeExports && freeModule && typeof global == 'object' && global;
   if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
     root = freeGlobal;
   }
 
-  /** Detect the popular CommonJS extension `module.exports` */
+  /** Detect the popular CommonJS extension `module.exports`. */
   var moduleExports = freeModule && freeModule.exports === freeExports && freeExports;
 
   /*--------------------------------------------------------------------------*/
@@ -586,7 +573,7 @@
   }
 
   /**
-   * Used by `_.sortBy` to compare transformed elements of `collection` and stable
+   * Used by `_.sortBy` to compare transformed elements of a collection and stable
    * sort them in ascending order.
    *
    * @private
@@ -861,7 +848,7 @@
     // See http://es5.github.io/#x11.1.5.
     context = context ? _.defaults(root.Object(), context, _.pick(root, contextProps)) : root;
 
-    /** Native constructor references */
+    /** Native constructor references. */
     var Array = context.Array,
         Date = context.Date,
         Error = context.Error,
@@ -873,34 +860,34 @@
         String = context.String,
         TypeError = context.TypeError;
 
-    /** Used for native method references */
+    /** Used for native method references. */
     var arrayProto = Array.prototype,
         errorProto = Error.prototype,
         objectProto = Object.prototype,
         stringProto = String.prototype;
 
-    /** Used to detect DOM support */
+    /** Used to detect DOM support. */
     var document = (document = context.window) && document.document;
 
-    /** Used to resolve the decompiled source of functions */
+    /** Used to resolve the decompiled source of functions. */
     var fnToString = Function.prototype.toString;
 
-    /** Used to check objects for own properties */
+    /** Used to check objects for own properties. */
     var hasOwnProperty = objectProto.hasOwnProperty;
 
-    /** Used to restore the original `_` reference in `_.noConflict` */
+    /** Used to restore the original `_` reference in `_.noConflict`. */
     var oldDash = context._;
 
-    /** Used to resolve the internal `[[Class]]` of values */
+    /** Used to resolve the internal `[[Class]]` of values. */
     var toString = objectProto.toString;
 
-    /** Used to detect if a method is native */
+    /** Used to detect if a method is native. */
     var reNative = RegExp('^' +
       escapeRegExp(toString)
       .replace(/toString|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
     );
 
-    /** Native method references */
+    /** Native method references. */
     var ArrayBuffer = isNative(ArrayBuffer = context.ArrayBuffer) && ArrayBuffer,
         bufferSlice = isNative(bufferSlice = ArrayBuffer && new ArrayBuffer(0).slice) && bufferSlice,
         ceil = Math.ceil,
@@ -916,7 +903,7 @@
         unshift = arrayProto.unshift,
         WeakMap = isNative(WeakMap = context.WeakMap) && WeakMap;
 
-    /** Used to clone array buffers */
+    /** Used to clone array buffers. */
     var Float64Array = (function() {
       // Safari 5 errors when using an array buffer to initialize a typed array
       // where the array buffer's `byteLength` is not a multiple of the typed
@@ -928,7 +915,7 @@
       return result;
     }());
 
-    /* Native method references for those with the same name as other `lodash` methods */
+    /* Native method references for those with the same name as other `lodash` methods. */
     var nativeCreate = isNative(nativeCreate = Object.create) && nativeCreate,
         nativeIsArray = isNative(nativeIsArray = Array.isArray) && nativeIsArray,
         nativeIsFinite = context.isFinite,
@@ -940,15 +927,15 @@
         nativeParseInt = context.parseInt,
         nativeRandom = Math.random;
 
-    /** Used as references for `-Infinity` and `Infinity` */
+    /** Used as references for `-Infinity` and `Infinity`. */
     var NEGATIVE_INFINITY = Number.NEGATIVE_INFINITY,
         POSITIVE_INFINITY = Number.POSITIVE_INFINITY;
 
-    /** Used as references for the max length and index of an array */
+    /** Used as references for the max length and index of an array. */
     var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1,
         MAX_ARRAY_INDEX =  MAX_ARRAY_LENGTH - 1;
 
-    /** Used as the size, in bytes, of each Float64Array element */
+    /** Used as the size, in bytes, of each Float64Array element. */
     var FLOAT64_BYTES_PER_ELEMENT = Float64Array ? Float64Array.BYTES_PER_ELEMENT : 0;
 
     /**
@@ -958,10 +945,10 @@
      */
     var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
 
-    /** Used to store function metadata */
+    /** Used to store function metadata. */
     var metaMap = WeakMap && new WeakMap;
 
-    /** Used to lookup a built-in constructor by `[[Class]]` */
+    /** Used to lookup a built-in constructor by `[[Class]]`. */
     var ctorByClass = {};
     ctorByClass[float32Class] = context.Float32Array;
     ctorByClass[float64Class] = context.Float64Array;
@@ -973,7 +960,7 @@
     ctorByClass[uint16Class] = context.Uint16Array;
     ctorByClass[uint32Class] = context.Uint32Array;
 
-    /** Used to avoid iterating over non-enumerable properties in IE < 9 */
+    /** Used to avoid iterating over non-enumerable properties in IE < 9. */
     var nonEnumProps = {};
     nonEnumProps[arrayClass] = nonEnumProps[dateClass] = nonEnumProps[numberClass] = { 'constructor': true, 'toLocaleString': true, 'toString': true, 'valueOf': true };
     nonEnumProps[boolClass] = nonEnumProps[stringClass] = { 'constructor': true, 'toString': true, 'valueOf': true };
@@ -1677,8 +1664,7 @@
     }
 
     /**
-     * The base implementation of `_.callback` without support for creating
-     * "_.pluck" and "_.where" style callbacks.
+     * The base implementation of `_.callback`.
      *
      * @private
      * @param {*} [func=_.identity] The value to convert to a callback.
@@ -2482,7 +2468,7 @@
     /**
      * The base implementation of `_.reduce` and `_.reduceRight` without support
      * for callback shorthands or `this` binding, which iterates over `collection`
-     * usingthe provided `eachFunc`.
+     * using the provided `eachFunc`.
      *
      * @private
      * @param {Array|Object|string} collection The collection to iterate over.
@@ -2920,6 +2906,8 @@
           key = func;
 
       function wrapper() {
+        // Avoid `arguments` object use disqualifying optimizations by
+        // converting it to an array before providing it to other functions.
         var length = arguments.length,
             index = length,
             args = Array(length);
@@ -2994,7 +2982,7 @@
 
     /**
      * Creates a function that wraps `func` and invokes it with the optional `this`
-     * binding of `thisArg` and the `partialArgs` prepended to those provided to
+     * binding of `thisArg` and the `partials` prepended to those provided to
      * the wrapper.
      *
      * @private
@@ -3010,7 +2998,7 @@
 
       function wrapper() {
         // Avoid `arguments` object use disqualifying optimizations by
-        // converting it to an array before providing it to `composeArgs`.
+        // converting it to an array before providing it `func`.
         var argsIndex = -1,
             argsLength = arguments.length,
             leftIndex = -1,
@@ -3046,7 +3034,7 @@
      *   128 - `_.rearg`
      * @param {*} [thisArg] The `this` binding of `func`.
      * @param {Array} [partials] The arguments to be partially applied.
-     * @param {Array} [holders] The `partialArgs` placeholder indexes.
+     * @param {Array} [holders] The `partials` placeholder indexes.
      * @param {Array} [argPos] The argument positions of the new function.
      * @param {number} [arity] The arity of `func`.
      * @returns {Function} Returns the new wrapped function.
@@ -3342,7 +3330,7 @@
     }
 
     /**
-     * Checks if `value` is valid array-like length.
+     * Checks if `value` is a valid array-like length.
      *
      * @private
      * @param {*} value The value to check.
@@ -8564,6 +8552,17 @@
      * **Note:** No other characters are escaped. To escape additional characters
      * use a third-party library like [_he_](http://mths.be/he).
      *
+     * Though the ">" character is escaped for symmetry, characters like
+     * ">" and "/" don't require escaping in HTML and have no special meaning
+     * unless they're part of a tag or unquoted attribute value.
+     * See [Mathias Bynens's article](http://mathiasbynens.be/notes/ambiguous-ampersands)
+     * (under "semi-related fun fact") for more details.
+     *
+     * Backticks are escaped because in Internet Explorer < 9, they can break out
+     * of attribute values or HTML comments. See [#102](http://html5sec.org/#102),
+     * [#108](http://html5sec.org/#108), and [#133](http://html5sec.org/#133) of
+     * the [HTML5 Security Cheatsheet](http://html5sec.org/) for more details.
+     *
      * When working with HTML you should always quote attribute values to reduce
      * XSS vectors. See [Ryan Grove's article](http://wonko.com/post/html-escaping)
      * for more details.
diff --git a/perf/asset/perf-ui.js b/perf/asset/perf-ui.js
index d6ebe780e..6d0bf89a8 100644
--- a/perf/asset/perf-ui.js
+++ b/perf/asset/perf-ui.js
@@ -1,16 +1,16 @@
 ;(function(window) {
   'use strict';
 
-  /** The base path of the builds */
+  /** The base path of the Lo-Dash builds. */
   var basePath = '../';
 
-  /** The Lo-Dash build to load */
+  /** The Lo-Dash build to load. */
   var build = (build = /build=([^&]+)/.exec(location.search)) && decodeURIComponent(build[1]);
 
-  /** The other library to load */
+  /** The other library to load. */
   var other = (other = /other=([^&]+)/.exec(location.search)) && decodeURIComponent(other[1]);
 
-  /** The `ui` object */
+  /** The `ui` object. */
   var ui = {};
 
   /*--------------------------------------------------------------------------*/
@@ -34,7 +34,7 @@
 
   /*--------------------------------------------------------------------------*/
 
-  // initialize controls
+  // Initialize controls.
   addListener(window, 'load', function() {
     function eventHandler(event) {
       var buildIndex = buildList.selectedIndex,
@@ -112,7 +112,7 @@
     addListener(otherList, 'change', eventHandler);
   });
 
-  // expose Lo-Dash build file path
+  // The Lo-Dash build file path.
   ui.buildPath = (function() {
     var result;
     switch (build) {
@@ -126,7 +126,7 @@
     return basePath + result;
   }());
 
-  // expose other library file path
+  // The other library file path.
   ui.otherPath = (function() {
     var result;
     switch (other) {
@@ -142,13 +142,8 @@
     return basePath + result;
   }());
 
-  // expose `ui.urlParams` properties
-  ui.urlParams = {
-    'build': build,
-    'other': other
-  };
+  ui.urlParams = { 'build': build, 'other': other };
 
-  // expose `ui`
   window.ui = ui;
 
 }(this));
diff --git a/perf/perf.js b/perf/perf.js
index d3231c795..410feeea8 100644
--- a/perf/perf.js
+++ b/perf/perf.js
@@ -1,15 +1,15 @@
 ;(function() {
 
-  /** Used to access the Firebug Lite panel (set by `run`) */
+  /** Used to access the Firebug Lite panel (set by `run`). */
   var fbPanel;
 
-  /** Used as a safe reference for `undefined` in pre ES5 environments */
+  /** Used as a safe reference for `undefined` in pre ES5 environments. */
   var undefined;
 
-  /** Used as a reference to the global object */
+  /** Used as a reference to the global object. */
   var root = typeof global == 'object' && global || this;
 
-  /** Method and object shortcuts */
+  /** Method and object shortcuts. */
   var phantom = root.phantom,
       amd = root.define && define.amd,
       argv = root.process && process.argv,
@@ -18,10 +18,10 @@
       params = root.arguments,
       system = root.system;
 
-  /** Add `console.log()` support for Narwhal, Rhino, and RingoJS */
+  /** Add `console.log()` support for Narwhal, Rhino, and RingoJS. */
   var console = root.console || (root.console = { 'log': root.print });
 
-  /** The file path of the Lo-Dash file to test */
+  /** The file path of the Lo-Dash file to test. */
   var filePath = (function() {
     var min = 0,
         result = [];
@@ -52,51 +52,51 @@
     return result;
   }());
 
-  /** Used to match path separators */
+  /** Used to match path separators. */
   var rePathSeparator = /[\/\\]/;
 
-  /** Used to detect primitive types */
+  /** Used to detect primitive types. */
   var rePrimitive = /^(?:boolean|number|string|undefined)$/;
 
-  /** Used to match RegExp special characters */
+  /** Used to match RegExp special characters. */
   var reSpecialChars = /[.*+?^=!:${}()|[\]\/\\]/g;
 
-  /** The `ui` object */
+  /** The `ui` object. */
   var ui = root.ui || (root.ui = {
     'buildPath': basename(filePath, '.js'),
     'otherPath': 'underscore'
   });
 
-  /** The Lo-Dash build basename */
+  /** The Lo-Dash build basename. */
   var buildName = root.buildName = basename(ui.buildPath, '.js');
 
-  /** The other library basename */
+  /** The other library basename. */
   var otherName = root.otherName = (function() {
     var result = basename(ui.otherPath, '.js');
     return result + (result == buildName ? ' (2)' : '');
   }());
 
-  /** Used to score performance */
+  /** Used to score performance. */
   var score = { 'a': [], 'b': [] };
 
-  /** Used to queue benchmark suites */
+  /** Used to queue benchmark suites. */
   var suites = [];
 
-  /** Used to resolve a value's internal [[Class]] */
+  /** Used to resolve a value's internal [[Class]]. */
   var toString = Object.prototype.toString;
 
-  /** Detect if in a browser environment */
+  /** Detect if in a browser environment. */
   var isBrowser = isHostType(root, 'document') && isHostType(root, 'navigator');
 
-  /** Detect if in a Java environment */
+  /** Detect if in a Java environment. */
   var isJava = !isBrowser && /Java/.test(toString.call(root.java));
 
-  /** Use a single "load" function */
+  /** Use a single "load" function. */
   var load = (typeof require == 'function' && !amd)
     ? require
     : (isJava && root.load) || noop;
 
-  /** Load Lo-Dash */
+  /** Load Lo-Dash. */
   var lodash = root.lodash || (root.lodash = (
     lodash = load(filePath) || root._,
     lodash = lodash._ || lodash,
@@ -104,14 +104,14 @@
     lodash.noConflict()
   ));
 
-  /** Load Benchmark.js */
+  /** Load Benchmark.js. */
   var Benchmark = root.Benchmark || (root.Benchmark = (
     Benchmark = load('../vendor/benchmark.js/benchmark.js') || root.Benchmark,
     Benchmark = Benchmark.Benchmark || Benchmark,
     Benchmark.runInContext(lodash.extend({}, root, { '_': lodash }))
   ));
 
-  /** Load Underscore */
+  /** Load Underscore. */
   var _ = root._ || (root._ = (
     _ = load('../vendor/underscore/underscore.js') || root._,
     _._ || _
@@ -189,7 +189,7 @@
   function log(text) {
     console.log(text + '');
     if (fbPanel) {
-      // scroll the Firebug Lite panel down
+      // Scroll the Firebug Lite panel down.
       fbPanel.scrollTop = fbPanel.scrollHeight;
     }
   }
@@ -249,15 +249,15 @@
             '% faster.'
           );
         }
-        // add score adjusted for margin of error
+        // Add score adjusted for margin of error.
         score.a.push(aHz);
         score.b.push(bHz);
       }
-      // remove current suite from queue
+      // Remove current suite from queue.
       suites.shift();
 
       if (suites.length) {
-        // run next suite
+        // Run next suite.
         suites[0].run({ 'async': !isJava });
       }
       else {
@@ -269,7 +269,7 @@
             percentFaster = formatNumber(Math.round((xFaster - 1) * 100)),
             message = 'is ' + percentFaster + '% ' + (xFaster == 1 ? '' : '(' + formatNumber(xFaster.toFixed(2)) + 'x) ') + 'faster than';
 
-        // report results
+        // Report results.
         if (aMeanHz >= bMeanHz) {
           log('\n' + buildName + ' ' + message + ' ' + otherName + '.');
         } else {
@@ -334,7 +334,7 @@
           return /^_/.test(funcName);\
         });\
         \
-        // potentially expensive\n\
+        // Potentially expensive.\n\
         for (index = 0; index < this.count; index++) {\
           bindAllObjects[index] = belt.reduce(funcNames, function(object, funcName) {\
             object[funcName] = belt[funcName];\
@@ -974,7 +974,7 @@
       )
   );
 
-  // avoid Underscore induced `OutOfMemoryError` in Rhino, Narwhal, and Ringo
+  // Avoid Underscore induced `OutOfMemoryError` in Rhino, Narwhal, and Ringo.
   if (!isJava) {
     suites.push(
       Benchmark.Suite('`_.find` with `properties`')
@@ -2080,7 +2080,7 @@
   if (Benchmark.platform + '') {
     log(Benchmark.platform);
   }
-  // in the browser, expose `run` to be called later
+  // Expose `run` to be called later when executing in a browser.
   if (document) {
     root.run = run;
   } else {
diff --git a/test/asset/set.js b/test/asset/set.js
index 256ee684a..d32d124ed 100644
--- a/test/asset/set.js
+++ b/test/asset/set.js
@@ -1,21 +1,21 @@
 ;(function() {
 
-  /** Used to determine if values are of the language type Object */
+  /** Used to determine if values are of the language type Object. */
   var objectTypes = {
     'function': true,
     'object': true
   };
 
-  /** Used as the `Set#toString` return value */
+  /** Used as the `Set#toString` return value. */
   var nativeString = String(Object.prototype.toString).replace(/toString/g, 'Set');
 
-  /** Used as a reference to the global object */
+  /** Used as a reference to the global object. */
   var root = (objectTypes[typeof window] && window) || this;
 
-  /** Detect free variable `exports` */
+  /** Detect free variable `exports`. */
   var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
 
-  /** Detect free variable `global` from Node.js or Browserified code and use it as `root` */
+  /** Detect free variable `global` from Node.js or Browserified code and use it as `root`. */
   var freeGlobal = objectTypes[typeof global] && global;
   if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
     root = freeGlobal;
diff --git a/test/asset/test-ui.js b/test/asset/test-ui.js
index 7648ff366..c99dabc29 100644
--- a/test/asset/test-ui.js
+++ b/test/asset/test-ui.js
@@ -1,16 +1,16 @@
 ;(function(window) {
   'use strict';
 
-  /** The base path of the builds */
+  /** The base path of the Lo-Dash builds. */
   var basePath = '../';
 
-  /** The Lo-Dash build to load */
+  /** The Lo-Dash build to load. */
   var build = (build = /build=([^&]+)/.exec(location.search)) && decodeURIComponent(build[1]);
 
-  /** The module loader to use */
+  /** The module loader to use. */
   var loader = (loader = /loader=([^&]+)/.exec(location.search)) && decodeURIComponent(loader[1]);
 
-  /** The `ui` object */
+  /** The `ui` object. */
   var ui = {};
 
   /*--------------------------------------------------------------------------*/
@@ -34,7 +34,7 @@
 
   /*--------------------------------------------------------------------------*/
 
-  // initialize controls
+  // Initialize controls.
   addListener(window, 'load', function() {
     function eventHandler(event) {
       var buildIndex = buildList.selectedIndex,
@@ -124,19 +124,19 @@
     init();
   });
 
-  // used to indicate that Lo-Dash is in strict mode
+  // Used to indicate that Lo-Dash is in strict mode.
   ui.isStrict = /\b(?:lodash-es6|transpiled)\b/.test([location.pathname, location.search]);
 
-  // used to indicate testing a foreign file
+  // Used to indicate testing a foreign file.
   ui.isForeign = RegExp('^(\\w+:)?//').test(build);
 
-  // used to indicate testing a modularized build
+  // Used to indicate testing a modularized build.
   ui.isModularize = /\b(?:commonjs|(index|main)\.js|lodash-(?:amd|es6|node)|modularize|npm|transpiled)\b/.test([location.pathname, location.search]);
 
-  // used to indicate testing in Sauce Labs' automated test cloud
+  // Used to indicate testing in Sauce Labs' automated test cloud.
   ui.isSauceLabs = location.port == '9001';
 
-  // expose Lo-Dash build file path
+  // The Lo-Dash build file path.
   ui.buildPath = (function() {
     var result;
     switch (build) {
@@ -152,7 +152,7 @@
     return basePath + result;
   }());
 
-  // expose module loader file path
+  // The module loader file path.
   ui.loaderPath = (function() {
     var result;
     switch (loader) {
@@ -165,18 +165,9 @@
     return basePath + result;
   }());
 
-  // expose `ui.urlParams` properties
-  ui.urlParams = {
-    'build': build,
-    'loader': loader
-  };
+  ui.urlParams = { 'build': build, 'loader': loader };
+  ui.timing = { 'loadEventEnd': 0 };
 
-  // expose page load timestamps
-  ui.timing = {
-    'loadEventEnd': 0
-  };
-
-  // expose `ui`
   window.ui = ui;
 
 }(this));
diff --git a/test/asset/weakmap.js b/test/asset/weakmap.js
index 06040e664..7040876e6 100644
--- a/test/asset/weakmap.js
+++ b/test/asset/weakmap.js
@@ -1,21 +1,21 @@
 ;(function() {
 
-  /** Used to determine if values are of the language type Object */
+  /** Used to determine if values are of the language type Object. */
   var objectTypes = {
     'function': true,
     'object': true
   };
 
-  /** Used as the `WeakMap#toString` return value */
+  /** Used as the `WeakMap#toString` return value. */
   var nativeString = String(Object.prototype.toString).replace(/toString/g, 'WeakMap');
 
-  /** Used as a reference to the global object */
+  /** Used as a reference to the global object. */
   var root = (objectTypes[typeof window] && window) || this;
 
-  /** Detect free variable `exports` */
+  /** Detect free variable `exports`. */
   var freeExports = objectTypes[typeof exports] && exports && !exports.nodeType && exports;
 
-  /** Detect free variable `global` from Node.js or Browserified code and use it as `root` */
+  /** Detect free variable `global` from Node.js or Browserified code and use it as `root`. */
   var freeGlobal = objectTypes[typeof global] && global;
   if (freeGlobal && (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal || freeGlobal.self === freeGlobal)) {
     root = freeGlobal;
@@ -35,7 +35,7 @@
      * Creates a `WeakMap` object.
      */
     function WeakMap() {
-      // no-op
+      // No operation performed.
     }
 
     /**
diff --git a/test/saucelabs.js b/test/saucelabs.js
index f1b2edf2f..971b9b26f 100644
--- a/test/saucelabs.js
+++ b/test/saucelabs.js
@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 'use strict';
 
-/** Environment shortcut */
+/** Environment shortcut. */
 var env = process.env;
 
 if (env.TRAVIS_SECURE_ENV_VARS == 'false') {
@@ -9,35 +9,35 @@ if (env.TRAVIS_SECURE_ENV_VARS == 'false') {
   process.exit(0);
 }
 
-/** Load Node.js modules */
+/** Load Node.js modules. */
 var EventEmitter = require('events').EventEmitter,
     http = require('http'),
     path = require('path'),
     url = require('url'),
     util = require('util');
 
-/** Load other modules */
+/** Load other modules. */
 var _ = require('../lodash.js'),
     chalk = require('chalk'),
     ecstatic = require('ecstatic'),
     request = require('request'),
     SauceTunnel = require('sauce-tunnel');
 
-/** Used for Sauce Labs credentials */
+/** Used for Sauce Labs credentials. */
 var accessKey = env.SAUCE_ACCESS_KEY,
     username = env.SAUCE_USERNAME;
 
-/** Used as the default maximum number of times to retry a job and tunnel */
+/** Used as the default maximum number of times to retry a job and tunnel. */
 var maxJobRetries = 3,
     maxTunnelRetries = 3;
 
-/** Used as the static file server middleware */
+/** Used as the static file server middleware. */
 var mount = ecstatic({
   'cache': 'no-cache',
   'root': process.cwd()
 });
 
-/** Used as the list of ports supported by Sauce Connect */
+/** Used as the list of ports supported by Sauce Connect. */
 var ports = [
   80, 443, 888, 2000, 2001, 2020, 2109, 2222, 2310, 3000, 3001, 3030, 3210,
   3333, 4000, 4001, 4040, 4321, 4502, 4503, 4567, 5000, 5001, 5050, 5555, 5432,
@@ -46,19 +46,19 @@ var ports = [
   55001
 ];
 
-/** Used by `logInline` to clear previously logged messages */
+/** Used by `logInline` to clear previously logged messages. */
 var prevLine = '';
 
-/** Method shortcut */
+/** Method shortcut. */
 var push = Array.prototype.push;
 
-/** Used to detect error messages */
+/** Used to detect error messages. */
 var reError = /(?:\be|E)rror\b/;
 
-/** Used to detect valid job ids */
+/** Used to detect valid job ids. */
 var reJobId = /^[a-z0-9]{32}$/;
 
-/** Used to display the wait throbber */
+/** Used to display the wait throbber. */
 var throbberDelay = 500,
     waitCount = -1;
 
@@ -92,7 +92,7 @@ var advisor = getOption('advisor', false),
     tunnelTimeout = getOption('tunnelTimeout', 120),
     videoUploadOnPass = getOption('videoUploadOnPass', false);
 
-/** Used to convert Sauce Labs browser identifiers to their formal names */
+/** Used to convert Sauce Labs browser identifiers to their formal names. */
 var browserNameMap = {
   'googlechrome': 'Chrome',
   'iehta': 'Internet Explorer',
@@ -100,7 +100,7 @@ var browserNameMap = {
   'iphone': 'iPhone'
 };
 
-/** List of platforms to load the runner on */
+/** List of platforms to load the runner on. */
 var platforms = [
   //['Linux', 'android', '4.3'],
   //['Linux', 'android', '4.0'],
@@ -125,12 +125,12 @@ var platforms = [
   ['OS X 10.6', 'safari', '5']
 ];
 
-/** Used to tailor the `platforms` array */
+/** Used to tailor the `platforms` array. */
 var runnerQuery = url.parse(runner, true).query,
     isBackbone = /\bbackbone\b/i.test(runner),
     isModern = /\bmodern\b/i.test(runnerQuery.build);
 
-// platforms to test IE compat mode
+// The platforms to test IE compatibility modes.
 if (compatMode) {
   platforms = [
     ['Windows 8.1', 'internet explorer', '11'],
@@ -139,7 +139,7 @@ if (compatMode) {
     ['Windows 7', 'internet explorer', '8']
   ];
 }
-// platforms for AMD tests
+// The platforms for AMD tests.
 if (_.contains(tags, 'amd')) {
   platforms = _.filter(platforms, function(platform) {
     var browser = browserName(platform[1]),
@@ -152,7 +152,7 @@ if (_.contains(tags, 'amd')) {
     return true;
   });
 }
-// platforms for Backbone tests
+// The platforms for Backbone tests.
 if (isBackbone) {
   platforms = _.filter(platforms, function(platform) {
     var browser = browserName(platform[1]),
@@ -166,7 +166,7 @@ if (isBackbone) {
     return true;
   });
 }
-// platforms for modern builds
+// The platforms for modern builds.
 if (isModern) {
   platforms = _.filter(platforms, function(platform) {
     var browser = browserName(platform[1]),
@@ -184,7 +184,7 @@ if (isModern) {
   });
 }
 
-/** Used as the default `Job` options object */
+/** Used as the default `Job` options object. */
 var jobOptions = {
   'build': build,
   'command-timeout': commandTimeout,
@@ -298,7 +298,7 @@ function logThrobber() {
  * @returns {Array} Returns the new converted array.
  */
 function optionToArray(name, string) {
-  return _.compact(_.invoke((optionToValue(name, string) || '').split(/, */), 'trim'));
+  return _.compact(_.invoke((optionToValue(name, string) || '').split(/,. */), 'trim'));
 }
 
 /**
@@ -742,7 +742,7 @@ function Tunnel(properties) {
     if (!_.contains(restarted, this)) {
       restarted.push(this);
     }
-    // restart tunnel if all active jobs have restarted
+    // Restart tunnel if all active jobs have restarted.
     var threshold = Math.min(all.length, _.isFinite(throttled) ? throttled : 3);
     if (tunnel.attempts < tunnel.retries &&
         active.length >= threshold && _.isEmpty(_.difference(active, restarted))) {
@@ -896,22 +896,22 @@ Tunnel.prototype.stop = function(callback) {
 
 /*----------------------------------------------------------------------------*/
 
-// cleanup any inline logs when exited via `ctrl+c`
+// Cleanup any inline logs when exited via `ctrl+c`.
 process.on('SIGINT', function() {
   logInline();
   process.exit();
 });
 
-// create a web server for the current working directory
+// Create a web server for the current working directory.
 http.createServer(function(req, res) {
-  // see http://msdn.microsoft.com/en-us/library/ff955275(v=vs.85).aspx
+  // See http://msdn.microsoft.com/en-us/library/ff955275(v=vs.85).aspx.
   if (compatMode && path.extname(url.parse(req.url).pathname) == '.html') {
     res.setHeader('X-UA-Compatible', 'IE=' + compatMode);
   }
   mount(req, res);
 }).listen(port);
 
-// set up Sauce Connect so we can use this server from Sauce Labs
+// Setup Sauce Connect so we can use this server from Sauce Labs.
 var tunnel = new Tunnel({
   'user': username,
   'pass': accessKey,
diff --git a/test/test.js b/test/test.js
index d87fa879d..850d2d1c9 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1,35 +1,35 @@
 ;(function() {
 
-  /** Used as a safe reference for `undefined` in pre ES5 environments */
+  /** Used as a safe reference for `undefined` in pre ES5 environments. */
   var undefined;
 
-  /** Used to detect when a function becomes hot */
+  /** Used to detect when a function becomes hot. */
   var HOT_COUNT = 150;
 
-  /** Used as the size to cover large array optimizations */
+  /** Used as the size to cover large array optimizations. */
   var LARGE_ARRAY_SIZE = 200;
 
-  /** Used as references for the max length and index of an array */
+  /** Used as references for the max length and index of an array. */
   var MAX_ARRAY_LENGTH = Math.pow(2, 32) - 1,
       MAX_ARRAY_INDEX =  MAX_ARRAY_LENGTH - 1;
 
-  /** Used as the maximum length an array-like object */
+  /** Used as the maximum length an array-like object. */
   var MAX_SAFE_INTEGER = Math.pow(2, 53) - 1;
 
-  /** Used as a reference to the global object */
+  /** Used as a reference to the global object. */
   var root = (typeof global == 'object' && global) || this;
 
-  /** Used to store Lo-Dash to test for bad extensions/shims */
+  /** Used to store Lo-Dash to test for bad extensions/shims. */
   var lodashBizarro = root.lodashBizarro;
 
-  /** Used for native method references */
+  /** Used for native method references. */
   var arrayProto = Array.prototype,
       errorProto = Error.prototype,
       funcProto = Function.prototype,
       objectProto = Object.prototype,
       stringProto = String.prototype;
 
-  /** Method and object shortcuts */
+  /** Method and object shortcuts. */
   var phantom = root.phantom,
       amd = root.define && define.amd,
       argv = root.process && process.argv,
@@ -49,7 +49,7 @@
       toString = objectProto.toString,
       Uint8Array = root.Uint8Array;
 
-  /** Used to set property descriptors */
+  /** Used to set property descriptors. */
   var defineProperty = (function() {
     try {
       var o = {},
@@ -59,7 +59,7 @@
     return result;
   }());
 
-  /** The file path of the Lo-Dash file to test */
+  /** The file path of the Lo-Dash file to test. */
   var filePath = (function() {
     var min = 0,
         result = [];
@@ -90,7 +90,7 @@
     return result;
   }());
 
-  /** The `ui` object */
+  /** The `ui` object. */
   var ui = root.ui || (root.ui = {
     'buildPath': filePath,
     'loaderPath': '',
@@ -99,41 +99,41 @@
     'urlParams': {}
   });
 
-  /** The basename of the Lo-Dash file to test */
+  /** The basename of the Lo-Dash file to test. */
   var basename = /[\w.-]+$/.exec(filePath)[0];
 
-  /** Detect if in a Java environment */
+  /** Detect if in a Java environment. */
   var isJava = !document && !!root.java;
 
-  /** Used to indicate testing a modularized build */
+  /** Used to indicate testing a modularized build. */
   var isModularize = ui.isModularize;
 
-  /** Detect if testing `npm` modules */
+  /** Detect if testing `npm` modules. */
   var isNpm = isModularize && /\bnpm\b/.test([ui.buildPath, ui.urlParams.build]);
 
-  /** Detect if running in PhantomJS */
+  /** Detect if running in PhantomJS. */
   var isPhantom = phantom || typeof callPhantom == 'function';
 
-  /** Detect if running in Rhino */
+  /** Detect if running in Rhino. */
   var isRhino = isJava && typeof global == 'function' && global().Array === root.Array;
 
-  /** Detect if Lo-Dash is in strict mode */
+  /** Detect if Lo-Dash is in strict mode. */
   var isStrict = ui.isStrict;
 
-  /** Used to test Web Workers */
+  /** Used to test Web Workers. */
   var Worker = !(ui.isForeign || ui.isSauceLabs || isModularize) && document && root.Worker;
 
-  /** Used to test host objects in IE */
+  /** Used to test host objects in IE. */
   try {
     var xml = new ActiveXObject('Microsoft.XMLDOM');
   } catch(e) {}
 
-  /** Use a single "load" function */
+  /** Use a single "load" function. */
   var load = (typeof require == 'function' && !amd)
     ? require
     : (isJava && root.load) || noop;
 
-  /** The unit testing framework */
+  /** The unit testing framework. */
   var QUnit = (function() {
     return  root.QUnit || (
       root.addEventListener || (root.addEventListener = noop),
@@ -144,7 +144,7 @@
     );
   }());
 
-  /** Load and install QUnit Extras and ES6 Set/WeakMap shims */
+  /** Load and install QUnit Extras and ES6 Set/WeakMap shims. */
   (function() {
     var paths = [
       './asset/set.js',
@@ -165,11 +165,11 @@
 
   /*--------------------------------------------------------------------------*/
 
-  // log params provided to `test.js`
+  // Log params provided to `test.js`.
   if (params) {
     console.log('test.js invoked with arguments: ' + JSON.stringify(slice.call(params)));
   }
-  // exit early if going to run tests in a PhantomJS web page
+  // Exit early if going to run tests in a PhantomJS web page.
   if (phantom && isModularize) {
     var page = require('webpage').create();
     page.open(filePath, function(status) {
@@ -211,14 +211,14 @@
 
   /*--------------------------------------------------------------------------*/
 
-  /** The `lodash` function to test */
+  /** The `lodash` function to test. */
   var _ = root._ || (root._ = (
     _ = load(filePath) || root._,
     _ = _._ || (isStrict = ui.isStrict = isStrict || 'default' in _, _['default']) || _,
     (_.runInContext ? _.runInContext(root) : _)
   ));
 
-  /** List of latin-1 supplementary letters to basic latin letters */
+  /** List of latin-1 supplementary letters to basic latin letters. */
   var burredLetters = [
     '\xc0', '\xc1', '\xc2', '\xc3', '\xc4', '\xc5', '\xc6', '\xc7', '\xc8', '\xc9', '\xca', '\xcb', '\xcc', '\xcd', '\xce',
     '\xcf', '\xd0', '\xd1', '\xd2', '\xd3', '\xd4', '\xd5', '\xd6', '\xd8', '\xd9', '\xda', '\xdb', '\xdc', '\xdd', '\xde',
@@ -226,7 +226,7 @@
     '\xef', '\xf0', '\xf1', '\xf2', '\xf3', '\xf4', '\xf5', '\xf6', '\xf8', '\xf9', '\xfa', '\xfb', '\xfc', '\xfd', '\xfe', '\xff'
   ];
 
-  /** List of `burredLetters` translated to basic latin letters */
+  /** List of `burredLetters` translated to basic latin letters. */
   var deburredLetters = [
     'A',  'A', 'A', 'A', 'A', 'A', 'Ae', 'C',  'E', 'E', 'E', 'E', 'I', 'I', 'I',
     'I',  'D', 'N', 'O', 'O', 'O', 'O',  'O',  'O', 'U', 'U', 'U', 'U', 'Y', 'Th',
@@ -234,13 +234,13 @@
     'i',  'd', 'n', 'o', 'o', 'o', 'o',  'o',  'o', 'u', 'u', 'u', 'u', 'y', 'th', 'y'
   ];
 
-  /** Used to provide falsey values to methods */
+  /** Used to provide falsey values to methods. */
   var falsey = [, '', 0, false, NaN, null, undefined];
 
-  /** Used to provide empty values to methods */
+  /** Used to provide empty values to methods. */
   var empties = [[], {}].concat(falsey.slice(1));
 
-  /** Used to test error objects */
+  /** Used to test error objects. */
   var errors = [
     new Error,
     new EvalError,
@@ -251,7 +251,7 @@
     new URIError
   ];
 
-  /** Used to check problem JScript properties (a.k.a. the `[[DontEnum]]` bug) */
+  /** Used to check problem JScript properties (a.k.a. the `[[DontEnum]]` bug). */
   var shadowedProps = [
     'constructor',
     'hasOwnProperty',
@@ -262,10 +262,10 @@
     'valueOf'
   ];
 
-  /** Used to check problem JScript properties too */
+  /** Used to check problem JScript properties too. */
   var shadowedObject = _.invert(shadowedProps);
 
-  /** Used to check whether methods support typed arrays */
+  /** Used to check whether methods support typed arrays. */
   var typedArrays = [
     'Float32Array',
     'Float64Array',
@@ -360,13 +360,13 @@
 
   /*--------------------------------------------------------------------------*/
 
-  // setup values for Node.js
+  // Setup values for Node.js.
   (function() {
     if (amd) {
       return;
     }
     try {
-      // add values from a different realm
+      // Add values from a different realm.
       _.extend(_, require('vm').runInNewContext([
         '(function() {',
         ' var object = {',
@@ -408,14 +408,14 @@
       return _.constant(nativeString.replace(reToString, funcName));
     }
 
-    // expose `baseEach` for better code coverage
+    // Expose `baseEach` for better code coverage.
     if (isModularize && !isNpm) {
       var path = require('path'),
           baseEach = require(path.join(path.dirname(filePath), 'internal', 'baseEach.js'));
 
       _._baseEach = baseEach.baseEach || baseEach['default'] || baseEach;
     }
-    // allow bypassing native checks
+    // Allow bypassing native checks.
     setProperty(funcProto, 'toString', function wrapper() {
       setProperty(funcProto, 'toString', fnToString);
       var result = _.has(this, 'toString') ? this.toString() : fnToString.call(this);
@@ -423,10 +423,10 @@
       return result;
     });
 
-    // add extensions
+    // Add extensions.
     funcProto._method = _.noop;
 
-    // set bad shims
+    // Set bad shims.
     var _isArray = Array.isArray;
     setProperty(Array, 'isArray', _.noop);
 
@@ -512,23 +512,23 @@
     var _WeakMap = root.WeakMap;
     setProperty(root, 'WeakMap', _.noop);
 
-    // fake DOM
+    // Fake the DOM
     setProperty(root, 'window', {});
     setProperty(root.window, 'document', {});
     setProperty(root.window.document, 'createDocumentFragment', function() {
       return { 'nodeType': 11 };
     });
 
-    // fake `WinRTError`
+    // Fake `WinRTError`.
     setProperty(root, 'WinRTError', Error);
 
-    // clear cache so Lo-Dash can be reloaded
+    // Clear cache so Lo-Dash can be reloaded.
     emptyObject(require.cache);
 
-    // load Lo-Dash and expose it to the bad extensions/shims
+    // Load Lo-Dash and expose it to the bad extensions/shims.
     lodashBizarro = (lodashBizarro = require(filePath))._ || lodashBizarro['default'] || lodashBizarro;
 
-    // restore native methods
+    // Restore native methods.
     setProperty(Array,  'isArray', _isArray);
     setProperty(Date,   'now', _now);
     setProperty(Object, 'create', _create);
@@ -568,7 +568,7 @@
     delete funcProto._method;
   }());
 
-  // add values from an iframe
+  // Add values from an iframe.
   (function() {
     if (_._object || !document) {
       return;
@@ -607,7 +607,7 @@
     idoc.close();
   }());
 
-  // add web worker
+  // Add a web worker.
   (function() {
     if (!Worker) {
       return;
@@ -622,8 +622,8 @@
 
   /*--------------------------------------------------------------------------*/
 
-  // explicitly call `QUnit.module()` instead of `module()`
-  // in case we are in a CLI environment
+  // Explicitly call `QUnit.module()` instead of `module()` in case we are
+  // in a CLI environment.
   QUnit.module(basename);
 
   (function() {
@@ -1813,7 +1813,7 @@
       });
 
       test('`_.' + methodName + '` should clone `lastIndex` regexp property', 1, function() {
-        // avoid a regexp literal for older Opera and use `exec` for older Safari
+        // Avoid a regexp literal for older Opera and use `exec` for older Safari.
         var regexp = RegExp('x', 'g');
         regexp.exec('vwxyz');
 
@@ -4182,7 +4182,7 @@
     });
 
     test('should work with extremely large arrays', 3, function() {
-      // test in modern browsers
+      // Test in modern browsers only to avoid browser hangs.
       if (freeze) {
         var expected = Array(5e5);
 
@@ -6234,7 +6234,7 @@
     });
 
     test('should return `true` for like-objects from different documents', 4, function() {
-      // ensure `_._object` is assigned (unassigned in Opera 10.00)
+      // Ensure `_._object` is assigned (unassigned in Opera 10.00).
       if (_._object) {
         strictEqual(_.isEqual({ 'a': 1, 'b': 2, 'c': 3 }, _._object), true);
         strictEqual(_.isEqual({ 'a': 1, 'b': 2, 'c': 2 }, _._object), false);
@@ -6501,8 +6501,8 @@
 
     test('should work using its fallback', 3, function() {
       if (!isModularize) {
-        // simulate native `Uint8Array` constructor with a `[[Class]]`
-        // of 'Function' and a `typeof` result of 'object'
+        // Simulate native `Uint8Array` constructor with a `[[Class]]`
+        // of 'Function' and a `typeof` result of 'object'.
         var lodash = _.runInContext({
           'Function': {
             'prototype': {
@@ -6542,8 +6542,8 @@
     });
 
     test('should work with host objects in IE 8 document mode (test in IE 11)', 2, function() {
-      // trigger Chakra bug
-      // https://github.com/jashkenas/underscore/issues/1621
+      // Trigger a Chakra bug.
+      // See https://github.com/jashkenas/underscore/issues/1621.
       _.each([body, xml], function(object) {
         if (object) {
           _.times(100, _.isFunction);
@@ -6824,14 +6824,14 @@
     });
 
     test('should avoid V8 bug #2291 (test in Chrome 19-20)', 1, function() {
-      // trigger V8 bug
-      // http://code.google.com/p/v8/issues/detail?id=2291
+      // Trigger a V8 bug.
+      // See http://code.google.com/p/v8/issues/detail?id=2291.
       var object = {};
 
-      // 1: Useless comparison statement, this is half the trigger
+      // 1: Useless comparison statement, this is half the trigger.
       object == object;
 
-      // 2: Initial check with object, this is the other half of the trigger
+      // 2: Initial check with object, this is the other half of the trigger.
       _.isObject(object);
 
       strictEqual(_.isObject('x'), false);
@@ -7114,7 +7114,7 @@
       deepEqual(func('abc').sort(), ['0', '1', '2']);
 
       if (!isKeys) {
-        // IE 9 doesn't box numbers in for-in loops
+        // IE 9 doesn't box numbers in for-in loops.
         Number.prototype.a = 1;
         deepEqual(func(0).sort(), ['a']);
         delete Number.prototype.a;
@@ -10876,7 +10876,7 @@
 
       array.length = length;
 
-      // avoid false fail in older Firefox
+      // Avoid false fails in older Firefox.
       if (array.length == length) {
         var actual = func(array, undefined, function() { steps++; });
         strictEqual(steps, 33);
@@ -11177,7 +11177,7 @@
     });
 
     test('should support single line comments in "evaluate" delimiters (test production builds)', 1, function() {
-      var compiled = _.template('<% // comment %><% if (value) { %>yap<% } else { %>nope<% } %>'),
+      var compiled = _.template('<% // A code comment. %><% if (value) { %>yap<% } else { %>nope<% } %>'),
           data = { 'value': true };
 
       strictEqual(compiled(data), 'yap');
@@ -11304,7 +11304,7 @@
 
     test('should work with templates containing newlines and comments', 1, function() {
       var compiled = _.template('<%\n\
-        // comment\n\
+        // A code comment.\n\
         if (value) { value += 3; }\n\
         %><p><%= value %></p>'
       );
@@ -12177,7 +12177,7 @@
     });
 
     test('`_.' + methodName + '` should not remove non-whitespace characters', 1, function() {
-      // zero-width space (zws), next line character (nel), and non-character (bom) are not whitespace
+      // Zero-width space (zws), next line character (nel), and non-character (bom) are not whitespace.
       var problemChars = '\x85\u200b\ufffe',
           string = problemChars + 'a b c' + problemChars;
 
@@ -13445,7 +13445,7 @@
         ok(pass, '`_.' + methodName + '` accepts falsey arguments');
       });
 
-      // skip tests for missing methods of modularized builds
+      // Skip tests for missing methods of modularized builds.
       _.each(['chain', 'noConflict', 'runInContext'], function(methodName) {
         if (!_[methodName]) {
           skipTest();