var a ={ name : "Cherry", fn : function (a,b) { alert( a + b) } } var b = a.fn; //b.bind(a,1,2)() function mySort() { var tags = new Array(); for(var i = 0;i < arguments.length;i++) { tags.push(arguments[i]); } tags.sort(function(compare1,compare2) { return compare1- compare2; }); return tags; } var result = mySort(50,11,16,32,24,99,57,100); //alert(result);