Bump to v4.2.0.

indexOf.js

@@ -7,8 +7,7 @@ define(['./_baseIndexOf', './toInteger'], function(baseIndexOf, toInteger) {
    * Gets the index at which the first occurrence of `value` is found in `array`
    * using [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)
    * for equality comparisons. If `fromIndex` is negative, it's used as the offset
-   * from the end of `array`. If `array` is sorted providing `true` for `fromIndex`
-   * performs a faster binary search.
+   * from the end of `array`.
    *
    * @static
    * @memberOf _
@@ -22,7 +21,7 @@ define(['./_baseIndexOf', './toInteger'], function(baseIndexOf, toInteger) {
    * _.indexOf([1, 2, 1, 2], 2);
    * // => 1
    *
-   * // using `fromIndex`
+   * // Search from the `fromIndex`.
    * _.indexOf([1, 2, 1, 2], 2, 2);
    * // => 3
    */