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This keyword

In the function definition, this refers to the "owner" of the function.

In the above example, this refers to the person object that "owns" the fullName function.

In other words, this.firstName means the firstName property of the this object.

Please learn more about JS this keywords in the this keywords chapter.

Object definition

We defined (created) a JavaScript object:

Example

Var person = {firstName: "Bill", lastName: "Gates", age:62, eyeColor: "blue"}

Spaces and line breaks are allowed. Object definitions can span multiple lines:

Example

Var person = {

FirstName: "Bill"

LastName: "Gates"

Age:50

EyeColor: "blue"

}

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