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Intl.ListFormat - JavaScript 编辑

The Intl.ListFormat object is a constructor for objects that enable language-sensitive list formatting.

The source for this interactive example is stored in a GitHub repository. If you'd like to contribute to the interactive examples project, please clone https://github.com/mdn/interactive-examples and send us a pull request.

Constructor

Intl.ListFormat(): Creates a new ListFormat object.

Static methods

Intl.ListFormat.supportedLocalesOf(): Returns an array containing those of the provided locales that are supported without having to fall back to the runtime's default locale.

Instance methods

Intl.ListFormat.prototype.format(): Returns a language-specific formatted string representing the elements of the list.
Intl.ListFormat.prototype.formatToParts(): Returns an array of objects representing the different components that can be used to format a list of values in a locale-aware fashion.

Examples

Using format

The following example shows how to create a List formatter using the English language.

const list = ['Motorcycle', 'Bus', 'Car'];

 console.log(new Intl.ListFormat('en-GB', { style: 'long', type: 'conjunction' }).format(list));
// > Motorcycle, Bus and Car

 console.log(new Intl.ListFormat('en-GB', { style: 'short', type: 'disjunction' }).format(list));
// > Motorcycle, Bus or Car

 console.log(new Intl.ListFormat('en-GB', { style: 'narrow', type: 'unit' }).format(list));
// > Motorcycle Bus Car

Using formatToParts

The following example shows how to create a List formatter returning formatted parts

const list = ['Motorcycle', 'Bus', 'Car'];
console.log(new Intl.ListFormat('en-GB', { style: 'long', type: 'conjunction' }).formatToParts(list));

// [ { "type": "element", "value": "Motorcycle" },
//   { "type": "literal", "value": ", " },
//   { "type": "element", "value": "Bus" },
//   { "type": "literal", "value": ", and " },
//   { "type": "element", "value": "Car" } ];