new Operator (JavaScript)

1 minutes to read Contributors
  • Mike Jones
  • Saisang Cai

Creates a new object.

Syntax

new constructor ([arguments])

Parameters

constructor
Required. The constructor of the object. The parentheses can be omitted if the constructor takes no arguments.

arguments
Optional. Any arguments to be passed to the new object's constructor.

Remarks

The new operator performs the following tasks:

  • It creates an object with no members.

  • It calls the constructor for that object, passing a pointer to the newly created object as the this pointer.

  • The constructor then initializes the object according to the arguments passed to the constructor.

    These are examples of valid uses of the new operator. 

my_object = new Object;  
my_array = new Array();  
my_date = new Date("Jan 5 1996");

Requirements

Supported in the following document modes: Quirks, Internet Explorer 6 standards, Internet Explorer 7 standards, Internet Explorer 8 standards, Internet Explorer 9 standards, Internet Explorer 10 standards, Internet Explorer 11 standards. Also supported in Store apps (Windows 8 and Windows Phone 8.1). See Version Information.

See Also

function Statement