function strictLastIndexOf(array, value, fromIndex) {
    var index = fromIndex + 1;
    while (index--) {
      if (array[index] === value) {
        return index;
      }
    }
    return index;
  }
A specialized version of `_.lastIndexOf` which performs strict equality
comparisons of values, i.e. `===`.

@private
@param {Array} array The array to inspect.
@param {*} value The value to search for.
@param {number} fromIndex The index to search from.
@returns {number} Returns the index of the matched value, else `-1`.