title: $.ajaxSetup cache: What does that mean in jquery code
body: <p>Today i have observed the following in a Jquery code:</p>
  
  <pre><code>$.ajaxSetup({ cache: false });
  </code></pre>
  
  <p>What does this mean? And what happens if the value of cache turns <code>True</code>.</p>
  
  <p>Thank you in advance</p>