an class="token keyword" style="color:#00009f">let</span><span class="token plain"> i </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> </span><span class="token number" style="color:#36acaa">0</span><span class="token punctuation" style="color:#393A34">,</span><span class="token plain"> l </span><span class="token operator" style="color:#393A34">=</span><span class="token plain"> subs</span><span class="token punctuation" style="color:#393A34">.</span><span class=