addEventListener poly

gistfile1.js

    //addEventListener polyfill with e.preventDefault and e.stopPropagation for old IEs
    // DO NOT PUT THAT ONE ON GLOBAL SCOPE, just saying... :D
 
    var addEventListener = (function(){            
                    if ( window.addEventListener )
                      return function(el, ev, fn, c){
                          return el.addEventListener(ev, fn, !!c)
                      }
                    return function(el, ev, fn){
                          return el.attachEvent('on'+ev, function(e){
                              var e = e || window.event
                              e.target = e.target || e.srcElement
                              e.relatedTarget = e.relatedTarget || e.fromElement || e.toElement
                              e.isImmediatePropagationStopped = e.isImmediatePropagationStopped || false
                              e.preventDefault = e.preventDefault || function(){
                                  e.returnValue = false
                              }
                              e.stopPropagation = e.stopPropagation || function(){
                                  e.cancelBubble = true
                              }
                              e.stopImmediatePropagation = e.stopImmediatePropagation || function(){
                                e.stopPropagation()
                                e.isImmediatePropagationStopped = true
                              }
                              if ( !e.isImmediatePropagationStopped )
                                fn(e)
                          })
                    }
                }())

           
            /*
            addEventListener(element, 'click', function(e){
                e.preventDefault()
            })
            */

Typo, should read: e = e || window.event

remy > You got the eye ! ( Gist edited. )