title: What's difference between $(element).append() and element.insertAdjacentHTML
body: <p>which have better performance?    </p>
  
  <p>Dom</p>
  
  <pre><code>    element.insertAdjacentHTML('afterend', '&lt;div id="two"&gt;two&lt;/div&gt;'); 
  </code></pre>
  
  <p>Jquery</p>
  
  <pre><code>    $(element).append('&lt;div id="two"&gt;two&lt;/div&gt;')
  </code></pre>