Call vs Apply

call_apply.js

var classA = function(options){
        if (this instanceof classA){
                this.options = options;
                return this
        } else {
                return new classA(options)
        }
}

classA.prototype.someAsnyc = function(callback, flag){
        if (!flag)
                callback.apply(this);
        else
                callback.call(this);
        if (!this.options.c)
                console.log("Not Found");
}
console.log("Started at:", (apply_date=Date.now()));
for (var i=0;i<10000000000;i++){
        var someObj = new classA({a:1, b: "Some String"});
        someObj.someAsnyc(function(){this.options.c="OK"});
        //someObj = undefined; //You can uncomment this if you are concerned about GC cycles
}
console.log("Apply Ended at:", (call_date=Date.now()), Date.now()-apply_date);
for (var i=0;i<10000000000;i++){
        var someObj = new classA({a:1, b: "Some String"});
        someObj.someAsnyc(function(){this.options.c = "Yo!";}, true);
        //someObj = undefined; //You can uncomment this if you are concerned about GC cycles
}
console.log("Call Ended at:",Date.now(), Date.now()-call_date)