n class="secnum">7.2.1</span> RS: EvaluateSliceNotation ( <var>baseValue</var>, <var>startExpression</var>, <var>endExpression</var> )</a></li><li><span class="item-toggle-none"></span><a href="#sec-member-expression-slice-notation" title="Runtime Semantics: Evaluation"><span class="secnum">7.2.2</span> RS: Evaluation</a></li><li><span class="item-toggle-none"></span><a href="#sec-optional-chaining-chain-evaluation" title="Runtime Semantics: ChainEvaluation"><span class="secnum">7.2.3</span> RS: ChainEvalua