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Posted By

remysharp on 07/24/07


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indexof


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korzhik


Array.indexOf

 / Published in: JavaScript
 

Implements Array.indexOf for browsers that don't support the method.

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  1. if (typeof Array.indexOf != 'function') {
  2.     Array.prototype.indexOf = function(f, s) {
  3.         if (typeof s == 'undefined') s = 0;
  4.         for (var i = s; i < this.length; i++) {
  5.             if (f === this[i]) return i;
  6.         }
  7.         return -1;
  8.     }
  9. }

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