title: javascript interrupt event
body: <p>Here is the situation :</p>
  
  <p>If i am in page-1 now i am clicking a link from page-1 to navigate to page-2. Before page-2 is loaded i am hitting escape so that still i am staying in page-1.</p>
  
  <p>At that point i want to track that event.</p>
  
  <p>Is there any javascript event so that i can track the above scenario.</p>
  
  <p>More Info :</p>
  
  <p>To avoid concurrent request to the "page-2", when the user clicks a link from page-1 i am redirecting to page-2 and disabling the link (to avoid multiple request to "page-2). At this point when we hit Esc and abort loading page-2, i need to enable the link again in page-1.</p>