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this Statement 

Refers to the current object.


Required. The identifier of a property of the current object.

The this keyword is typically used in object constructors to refer to the current object.

In the following example, this refers to the newly created Car object, and assigns values to three properties:

function Car(color, make, model){
   this.color = color;
   this.make = make;
   this.model = model;

For client versions of JScript, this refers to the window object if used outside of the context of any other object.

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