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JavaScript Constructor Method

A JavaScript constructor method is a special type of method which is used to initialize and create an object. It is called when memory is allocated for an object.

Points to remember

  • The constructor keyword is used to declare a constructor method.
  • The class can contain one constructor method only.
  • JavaScript allows us to use parent class constructor through super keyword.

Constructor Method Example

Let's see a simple example of a constructor method.

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101 Martin Roy

Constructor Method Example: super keyword

The super keyword is used to call the parent class constructor. Let's see an example.

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1 John Javatpoint

Note - If we didn't specify any constructor method, JavaScript use default constructor method.

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