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Intl.NumberFormat.prototype

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

Property attributes of `Intl.NumberFormat.prototype`
Writable	no
Enumerable	no
Configurable	no

Description

See NumberFormat for a description of Intl.NumberFormat instances.

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

Properties

Intl.NumberFormat.prototype.constructor: A reference to Intl.NumberFormat.
Intl.NumberFormat.prototype.format: Getter; returns a function that formats a number according to the locale and formatting options of this NumberFormat object.

Methods

Intl.NumberFormat.prototype.formatToParts(): Returns an Array of objects representing the number string in parts that can be used for custom locale-aware formatting.
Intl.NumberFormat.prototype.resolvedOptions(): Returns a new object with properties reflecting the locale and collation options computed during initialization of the object.

Specifications

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

Browser compatibilityUpdate compatibility data on GitHub

	Desktop
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari
Basic support	24	Yes	29	11	15	10

	Mobile
	Android webview	Chrome for Android	Edge Mobile	Firefox for Android	Opera for Android	iOS Safari	Samsung Internet
Basic support	No	26	Yes	56	?	10	Yes