rem: if (this[i] === item) this.splice(i, 1); 
add: if (this[i] && this[i] === item) this.splice(i, 1); 
context: 	remove: function(item){		var i = 0;		var len = this.length;		while (i < len){			if (this[i] === item) this.splice(i, 1);			else i++;		}		return this;	},
meta: 5237	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5237/b9e842f4594868f4ce51e2b33ad5b2224dd94c2a/Array.js/clean/Native/Array.js