s="token parameter">item<span class="token punctuation">,</span> index<span class="token punctuation">,</span> self</span><span class="token punctuation">)</span> <span class="token operator">=></span> item <span class="token operator">&lt;</span> <span class="token number">4</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

<span class="token comment">//=> [1, 2, 3]</span>
<span aria-hidden="true" class="line-numbers-rows"><a href="#C5_L1" id=C5_L1></a><a href="#C5_L2"