<span class="k">typeof</span> <span class="nx">object</span> <span class="o">===</span> <span class="s1">&#39;object&#39;</span><span class="p">)</span> <span class="p">{</span>
    <span class="kd">var</span> <span class="nx">re</span> <span class="o">=</span> <span class="p">{};</span>

    <span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">key</span> <span class="k">in</span> <span class="nx">object</span><span class="p">)</span> <span class="p">{</span>
     