title: How to change text of th of table in jquery?
body: <p>I have table like below</p>
  
  <pre><code>&lt;table&gt;
   &lt;tr&gt; &lt;th&gt;Document&lt;/th&gt; &lt;th&gt;...&lt;/th&gt;&lt;/tr&gt;
   &lt;tr&gt;&lt;td&gt;...&lt;/td&gt;... &lt;/tr&gt;
   ...
  &lt;/table&gt;
  </code></pre>
  
  <p>Now I want to change the text of th "Document" to "Marketting Document/URL"BY jQuery... Please help me!!!</p>