og false</span>
<span class="hljs-built_in">console</span>.log(map.has(<span class="hljs-string">'g'</span>));

<span class="hljs-comment">// will log 3</span>
<span class="hljs-built_in">console</span>.log(map.get(<span class="hljs-string">'f'</span>));

<span class="hljs-comment">// this will log each key and value in the map</span>
map.forEach(<span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">k, v</span>) </span>{
  <span class="hljs-built_in">console</span>