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Posted By

guilhermehn on 08/23/12


Tagged

javascript array remove duplicate


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Remove duplicate itens from an array

 / Published in: JavaScript
 

Original by dvdrtrgn

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  1. function unique(arr, dup) {
  2.     dup = dup ? arr.concat() : arr;
  3.     for(var i = 0; i < dup.length; i++) if(dup.indexOf(dup[i]) < i) dup.splice(i--);
  4.     return dup;
  5. }

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