 function_">getLength</span>(obj);
  <span class="hljs-keyword">if</span> (<span class="hljs-keyword">typeof</span> length == <span class="hljs-string">&#x27;number&#x27;</span> &amp;&amp; (
    <span class="hljs-title function_">isArray</span>(obj) || <span class="hljs-title function_">isString</span>(obj) || <span class="hljs-title function_">isArguments</span>(obj)
  )) <span class="hljs-keyword">return</span> length === <span class="hljs-number">0</span>;
  <span class="hljs-keyword">return</span> <span