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Intl.DurationFormat

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The Intl.DurationFormat object enables language-sensitive duration formatting.

Constructor

Intl.DurationFormat() Experimental

Creates a new Intl.DurationFormat object.

Static methods

Intl.DurationFormat.supportedLocalesOf() Experimental

Returns an array containing those of the provided locales that are supported without having to fall back to the runtime's default locale.

Instance properties

These properties are defined on Intl.DurationFormat.prototype and shared by all Intl.DurationFormat instances.

Intl.DurationFormat.prototype.constructor

The constructor function that created the instance object. For Intl.DurationFormat instances, the initial value is the Intl.DurationFormat constructor.

Intl.DurationFormat.prototype[@@toStringTag]

The initial value of the @@toStringTag property is the string "Intl.DurationFormat". This property is used in Object.prototype.toString().

Instance methods

Intl.DurationFormat.prototype.format() Experimental

Getter function that formats a duration according to the locale and formatting options of this DurationFormat object.

Intl.DurationFormat.prototype.formatToParts() Experimental

Returns an Array of objects representing the formatted duration in parts.

Intl.DurationFormat.prototype.resolvedOptions() Experimental

Returns a new object with properties reflecting the locale and formatting options computed during initialization of the object.

Examples

Using Intl.DurationFormat

The examples below show how to use the Intl.DurationFormat object to format a duration object with various locales and styles.

js
const duration = {
  hours: 1,
  minutes: 46,
  seconds: 40,
};

// With style set to "long" and locale "fr-FR"
new Intl.DurationFormat("fr-FR", { style: "long" }).format(duration);
// "1 heure, 46 minutes et 40 secondes"

// With style set to "short" and locale "en"
new Intl.DurationFormat("en", { style: "short" }).format(duration);
// "1 hr, 46 min and 40 sec"

// With style set to "short" and locale "pt"
new Intl.DurationFormat("pt", { style: "narrow" }).format(duration);
// "1h 46min 40s"

Specifications

Browser compatibility

Desktop Mobile Server
Chrome Edge Firefox Opera Safari Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet WebView Android Deno Node.js
DurationFormat No No No No 16.4 No No No 16.4 No No No No
DurationFormat No No No No 16.4 No No No 16.4 No No No No
format No No No No 16.4 No No No 16.4 No No No No
formatToParts No No No No 16.4 No No No 16.4 No No No No
resolvedOptions No No No No 16.4 No No No 16.4 No No No No
supportedLocalesOf No No No No 16.4 No No No 16.4 No No No No

See also

© 2005–2023 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DurationFormat