rem: var arr = [1,2,3,false,null,0]; 
add: var arr = [1, 2, 3, false, null, 0]; 
context: 	filter: function(){		var arr = [1,2,3,false,null,0];		arr = arr.filter(function(item){			return ($type(item) == 'number');		});		this.end(Assert.stringEquals(arr, [1,2,3,0]));	},
meta: 9980	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9980/f98ec1ab149f173a9660792986c96b4be0d6e14e/Array.js/buggy/Test/Native/Array.js