1  /**
 2   * A specialized version of `_.indexOf` which performs strict equality
 3   * comparisons of values, i.e. `===`.
 4   *
 5   * @private
 6   * @param {Array} array The array to inspect.
 7   * @param {*} value The value to search for.
 8   * @param {number} fromIndex The index to search from.
 9   * @returns {number} Returns the index of the matched value, else `-1`.
10   */
11  function strictIndexOf(array, value, fromIndex) {
12    var index = fromIndex - 1,
13        length = array.length;
14  
15    while (++index < length) {
16      if (array[index] === value) {
17        return index;
18      }
19    }
20    return -1;
21  }
22  
23  module.exports = strictIndexOf;