code: function basicIndexOf(array, value, fromIndex) {
      var index = (fromIndex || 0) - 1,
          length = array.length;
  
      while (++index < length) {
        if (array[index] === value) {
          return index;
        }
      }
      return -1;
    }
docs: /*-------------------------------------------------------------------------- 
  A basic implementation of `_.indexOf` without support for binary searches
  or `fromIndex` constraints.
  
  @private
  @param {Array} array The array to search.
  @param {Mixed} value The value to search for.
  @param {Number} [fromIndex=0] The index to search from.
  @returns {Number} Returns the index of the matched value or `-1`.