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JS: Uniquify an array

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  1. Array.prototype.unique = function () {
  2. 	var r = new Array();
  3. 	o:for(var i = 0, n = this.length; i < n; i++)
  4. 	{
  5. 		for(var x = 0, y = r.length; x < y; x++)
  6. 		{
  7. 			if(r[x]==this[i])
  8. 			{
  9. 				continue o;
  10. 			}
  11. 		}
  12. 		r[r.length] = this[i];
  13. 	}
  14. 	return r;
  15. }

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