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adding events browser compatible

/ Published in: JavaScript
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events handling cross-browser

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  1. function addEvent(elm, evType, fn, useCapture) {
  2.     if (elm.addEventListener) {
  3.         elm.addEventListener(evType, fn, useCapture);
  4.         return true;
  5.     }
  6.     else if (elm.attachEvent) {
  7.         var r = elm.attachEvent('on' + evType, fn);
  8.         return r;
  9.     }
  10.     else {
  11.         elm['on' + evType] = fn;
  12.     }
  13. }
  14.  
  15. function addLoadEvent(func) { 
  16.     var oldonload = window.onload;
  17.     if (typeof window.onload != 'function') {
  18.         window.onload = func;
  19.     }
  20.     else {
  21.         window.onload = function() {
  22.                 oldonload();
  23.                 func();
  24.         }
  25.     }
  26. }

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