'This' keyword

The JavaScript this keyword refers to the object it belongs to.

It has different values depending on where it is used:

• In a method, this refers to the owner object.

• Alone, this refers to the global object.

• In a function, this refers to the global object.

• In a function, in strict mode, this is undefined.

• In an event, this refers to the element that received the event.

• Methods like call(), and apply() can refer this to any object.