Question

I am using General Interface in my web application and I have javascript classes and methods to create objects for my classes. I would like to clear the memory when the objects are not used. My question is how can I clear the object s memory.

I have tried with obj = null; and delete obj; . Both are not working as expected.

Is there way to clear the object and object memory in JavaScript or in General Interface.

-Sridhar

Answer 1

You can t. As long as every reference is really removed (e.g. setting to null as many have suggested), it s entirely up to the GC as to when it ll run and when it ll collect them.

Answer 2

try to set to null.

var a = new className();
alert(a);

a = null;
alert(a);

Answer 3

You can use Self-Invoking Functions

Self-invoking functions are functions who execute immediately, and create their own closure. Take a look at this:

(function () {
    var dog = "German Shepherd";
    alert(dog);
})();
alert(dog); // Returns undefined

so the dog variable was only available within that context

EDIT
If memory leak is related to DOM, here written how to manage it. So, i tried to solve like that:

var obj = {};//your big js object
//do something with it

function clear() {
    var that = this;
    for (var i in that) {
        clear.call(that[i]);
        that[i] = null;
    }
}

clear.call(obj);//clear it s all properties
obj = null;

友情链接