-nt>.</li><li>Let <var>endExpression</var> be the second <emu-nt><a href="https://tc39.es/ecma262/#prod-AssignmentExpression">AssignmentExpression</a></emu-nt>.</li><li>Return ?&nbsp;<emu-xref aoid="EvaluateSliceNotation" id="_ref_19"><a href="#sec-evaluate-slice-notation">EvaluateSliceNotation</a></emu-xref>(<var>newBaseValue</var>, <var>startExpression</var>, <var>endExpression</var>).</li></ol></emu-alg>
    </emu-clause>
  </emu-clause>
</emu-clause>
</div></body>