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IE7 Array indexOf() fix

/ Published in: JavaScript
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source: http://stellapower.net/content/javascript-support-and-arrayindexof-ie/
source: http://www.robsearles.com/2010/03/11/ie-7-indexof-replacement/

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  1. /* this will work in all browsers(no jQuery needed) */
  2. if (!Array.indexOf) {
  3.   Array.prototype.indexOf = function (obj, start) {
  4.     for (var i = (start || 0); i < this.length; i++) {
  5.       if (this[i] == obj) {
  6.         return i;
  7.       }
  8.     }
  9.     return -1;
  10.   }
  11. }
  12.  
  13. //call
  14. var i = haystack_array.indexOf("needle")
  15.  
  16.  
  17.  
  18.  
  19. /* or you can use jquery instead */
  20.  
  21. //call
  22. var i = jQuery.inArray("needle", haystack_array)

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