title: How to use jquery insertBefore to append only once?
body: <p>I need to add heading to my Table , so once the table is created i am doing it this way </p>
  
  <pre><code>$( "&lt;p&gt;ONEHTML&lt;/p&gt;" ).insertBefore( "#one");
  </code></pre>
  
  <p>But the issue i am facing is that it is being appended multiple times </p>
  
  <p>This is my fiddle</p>
  
  <p><a href="http://jsfiddle.net/jq4f69cz/23/" rel="nofollow">http://jsfiddle.net/jq4f69cz/23/</a></p>