>source</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">if</span> <span class="p">(</span><span class="nx">source</span><span class="p">.</span><span class="nx">hasOwnProperty</span><span class="p">(</span><span class="nx">prop</span><span class="p">))</span> <span class="p">{</span>
      <span class="nx">obj</span><span class="p">[</span><span class="nx">prop</span><span class="p">]</span> <span class="o">=</span> <span class="nx">source</span><span class="p">[</span><span clas