sitelink1 http://stackoverflow.com/questions/52068...javascript 
sitelink2  
sitelink3  
sitelink4 http://1 
extra_vars4 ko 
extra_vars5 ko 
extra_vars6 sitelink1 

Here's how to create DOM elements and prevent memory leaks in IE.

function createDOMElement(el) { 
  var el = document.createElement(el); 
 
  try { 
    return el; 
  } 
  finally { 
    el = null; 
  } 
} 

You can use variations of the try/finally trick to prevent the leaks when doing other DOM operations.