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Posted By

kouphax on 10/17/08


Tagged

javascript array remove


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Array Remove Function

 / Published in: JavaScript
 

remove(array) --> array

Array.remove(a) simply removes all the items in the passed in array from the current scope array. Good for bulk operations.

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  1. /**
  2.  *    Remove all passed in items from the current array.  If they
  3.  *    dont exist they are ignored.
  4.  */
  5. Array.prototype.remove = function(a){
  6.  
  7.         // Array Remove - By John Resig (MIT Licensed)
  8. 	var r = function(from, to) {
  9. 		if(from != -1){
  10. 			var rest = this.slice((to || from) + 1 || this.length);
  11. 			this.length = from < 0 ? this.length + from : from;
  12. 			return this.push.apply(this, rest);
  13. 		}
  14. 	};
  15.  
  16. 	for(var i=0; i<a.length;i++){
  17. 		r.call(this, this.indexOf(a[i]))
  18. 	}
  19.  
  20. 	return this;
  21. }
  22.  
  23. /** non prototype extending method ---------------------------- */
  24.  
  25. Array.remove = function(t, a){
  26.         // Array Remove - By John Resig (MIT Licensed)
  27. 	var r = function(from, to) {
  28. 		if(from != -1){
  29. 			var rest = this.slice((to || from) + 1 || this.length);
  30. 			this.length = from < 0 ? this.length + from : from;
  31. 			return this.push.apply(this, rest);
  32. 		}
  33. 	};
  34.  
  35. 	for(var i=0; i<a.length;i++){
  36. 		r.call(t, t.indexOf(a[i]))
  37. 	}
  38.  
  39. 	return t;
  40. }

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