 be ? Get(_O_, _Pk_).
      1. Let _testResult_ be ! ToBoolean(? Call(_predicate_, _thisArg_, &laquo; _kValue_, ùîΩ(_k_), _O_ &raquo;)).
      1. If _testResult_ is *true*, return ùîΩ(_k_).
      1. Set _k_ to _k_ - 1.
    1. Return *-1*<sub>ùîΩ</sub>.
  </emu-alg>
  <emu-note>
    <p>
    The `findLastIndex` function is intentionally generic; it does not require that its *this* value be an Array object.
    Therefore it can be transferred to other kinds of objects for use as a me