k_ - 1.
    1. Return *undefined*.
  </emu-alg>
  <p>This function is not generic. The *this* value must be an object with a [[TypedArrayName]] internal slot.</p>
</emu-clause>

<emu-clause id="sec-%typedarray%.prototype.findlastindex">
  <h1>%TypedArray%.prototype.findLastIndex ( _predicate_ [ , _thisArg_ ] )</h1>
  <p>The interpretation and use of the arguments of %TypedArray%`.prototype.findLastIndex` are the same as for `Array.prototype.findLastIndex` as defined in <emu-xref href="#sec-array.pro