Bump to v4.0.0.

sample.js

@@ -0,0 +1,27 @@
+define(['./internal/baseRandom', './isArrayLike', './values'], function(baseRandom, isArrayLike, values) {
+
+  /** Used as a safe reference for `undefined` in pre-ES5 environments. */
+  var undefined;
+
+  /**
+   * Gets a random element from `collection`.
+   *
+   * @static
+   * @memberOf _
+   * @category Collection
+   * @param {Array|Object} collection The collection to sample.
+   * @returns {*} Returns the random element.
+   * @example
+   *
+   * _.sample([1, 2, 3, 4]);
+   * // => 2
+   */
+  function sample(collection) {
+    var array = isArrayLike(collection) ? collection : values(collection),
+        length = array.length;
+
+    return length > 0 ? array[baseRandom(0, length - 1)] : undefined;
+  }
+
+  return sample;
+});