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The Intl.DateTimeFormat.prototype property represents the prototype object for the Intl.DateTimeFormat constructor.

Property attributes of Intl.DateTimeFormat.prototype
Writable no
Enumerable no
Configurable no


See DateTimeFormat for a description of Intl.DateTimeFormat instances.

Intl.DateTimeFormat instances inherit from Intl.DateTimeFormat.prototype. Modifications to the prototype object are inherited by all Intl.DateTimeFormat instances.


A reference to Intl.DateTimeFormat.
Getter; returns a function that formats a date according to the locale and formatting options of this DateTimeFormat object.


Returns an Array of objects representing the date string in parts that can be used for custom locale-aware formatting.
Returns a new object with properties reflecting the locale and formatting options computed during initialization of the object.


Specification Status Comment
ECMAScript Internationalization API 1.0 (ECMA-402)
The definition of 'Intl.DateTimeFormat.prototype' in that specification.
Standard Initial definition.
ECMAScript Internationalization API 2.0 (ECMA-402)
The definition of 'Intl.DateTimeFormat.prototype' in that specification.
ECMAScript Internationalization API 4.0 (ECMA-402)
The definition of 'Intl.DateTimeFormat.prototype' in that specification.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 24 29 (29) 11 15 No support
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
Basic support No support 26 56.0 (56) No support No support No support

See also

Document Tags and Contributors

 Contributors to this page: fscholz, arai, Mingun, Sheppy, Norbert
 Last updated by: fscholz,