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JavaScript Class constructor() Method


Example

Example

A class named "tutorialpro" is created and initialized:


Definition and Usage

The constructor() method is a special method (constructor) used to create and initialize objects created within a class.

The constructor method constructor() is automatically called when an object is created.

If no constructor method is explicitly specified, a default constructor method is added.

If a constructor method is not specified, a default constructor method is used.

Within a constructor method, the super keyword can be used to call a parent class's constructor method.

Syntax

constructor(parameters)

Technical Details

| JavaScript Version: | ECMAScript 2015 (ES6) |

Browser Support

constructor() is an ECMAScript6 (ES6) feature.

ES6 (JavaScript 2015) is supported by all major browsers.

Chrome Edge Firefox Safari Opera
Yes Yes Yes Yes Yes

Internet Explorer 11 or older versions of IE do not support the constructor() method.


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