n class="Punctuation">)</span>
  <span class="Identifier">b</span><span class="Operator">.</span><span class="Identifier">clear</span><span class="Punctuation">(</span><span class="Punctuation">)</span>
  <span class="Keyword">let</span> <span class="Identifier">d</span><span class="Punctuation">:</span> <span class="Identifier">JsSet</span> <span class="Operator">=</span> <span class="Identifier">newJsSet</span><span class="Punctuation">(</span><span class="Punctuation">[</span><span class="FloatNumber">1.