In Javascript, why is the “this” operator inconsistent?

Question

In JavaScript, the \"this\" operator can refer to different things under different scenarios.

Typically in a method within a JavaScript \"object\", it refers to the

Answer 1

If you're using a javascript framework, there may be a handy method for dealing with this. In Prototype, for example, you can call a method and scope it to a particular "this" object:

var myObject = new TestObject();
myObject.firstMethod.bind(myObject);

Note: bind() returns a function, so you can also use it to pre-scope callbacks inside your class:

callBack.bind(this);

http://www.prototypejs.org/api/function/bind