Segments

Baseline 2024
Newly available

Since April 2024, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

A Segments object is an iterable collection of the segments of a text string. It is returned by a call to the segment() method of an Intl.Segmenter object.

Instance methods

Segments.prototype.containing()

Returns an object describing the segment in the original string that includes the code unit at a specified index.

Segments.prototype[Symbol.iterator]()

Returns an iterator to iterate over the segments.

Specifications

Specification
ECMAScript® 2027 Internationalization API Specification
# sec-segments-objects

Browser compatibility

desktop mobile server
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Bun
Deno
Node.js
Segments
Chrome – Full support
Chrome 87 (Release date: 2020-11-17)
footnote Full support
Edge – Full support
Edge 87 (Release date: 2020-11-19)
footnote Full support
Firefox – Full support
Firefox 125 (Release date: 2024-04-16)
footnote Full support
Opera – Full support
Opera 73 (Release date: 2020-12-09)
footnote Full support
Safari – Full support
Safari 14.1 (Release date: 2021-04-26)
footnote Full support
Chrome Android – Full support
Chrome Android 87 (Release date: 2020-11-17)
footnote Full support
Firefox for Android – Full support
Firefox for Android 125 (Release date: 2024-04-16)
footnote Full support
Opera Android – Full support
Opera Android 62 (Release date: 2021-02-16)
footnote Full support
Safari on iOS – Full support
Safari on iOS 14.5 (Release date: 2021-04-26)
footnote Full support
Samsung Internet – Full support
Samsung Internet 14 (Release date: 2021-04-17)
footnote Full support
WebView Android – Full support
WebView Android 87 (Release date: 2020-11-17)
footnote Full support
WebView on iOS – Full support
WebView on iOS 14.5 (Release date: 2021-04-26)
footnote Full support
Bun – Full support
Bun 1 (Release date: 2023-09-08)
footnote Full support
Deno – Full support
Deno 1.8 (Release date: 2021-03-02)
footnote Full support
Node.js – Full support
Node.js 16 (Release date: 2021-04-20)
footnote Full support
[Symbol.iterator]
Chrome – Full support
Chrome 87 (Release date: 2020-11-17)
footnote Full support
Edge – Full support
Edge 87 (Release date: 2020-11-19)
footnote Full support
Firefox – Full support
Firefox 125 (Release date: 2024-04-16)
footnote Full support
Opera – Full support
Opera 73 (Release date: 2020-12-09)
footnote Full support
Safari – Full support
Safari 14.1 (Release date: 2021-04-26)
footnote Full support
Chrome Android – Full support
Chrome Android 87 (Release date: 2020-11-17)
footnote Full support
Firefox for Android – Full support
Firefox for Android 125 (Release date: 2024-04-16)
footnote Full support
Opera Android – Full support
Opera Android 62 (Release date: 2021-02-16)
footnote Full support
Safari on iOS – Full support
Safari on iOS 14.5 (Release date: 2021-04-26)
footnote Full support
Samsung Internet – Full support
Samsung Internet 14 (Release date: 2021-04-17)
footnote Full support
WebView Android – Full support
WebView Android 87 (Release date: 2020-11-17)
footnote Full support
WebView on iOS – Full support
WebView on iOS 14.5 (Release date: 2021-04-26)
footnote Full support
Bun – Full support
Bun 1 (Release date: 2023-09-08)
footnote Full support
Deno – Full support
Deno 1.8 (Release date: 2021-03-02)
footnote Full support
Node.js – Full support
Node.js 16 (Release date: 2021-04-20)
footnote Full support
containing
Chrome – Full support
Chrome 87 (Release date: 2020-11-17)
footnote Full support
Edge – Full support
Edge 87 (Release date: 2020-11-19)
footnote Full support
Firefox – Full support
Firefox 125 (Release date: 2024-04-16)
footnote Full support
Opera – Full support
Opera 73 (Release date: 2020-12-09)
footnote Full support
Safari – Full support
Safari 14.1 (Release date: 2021-04-26)
footnote Full support
Chrome Android – Full support
Chrome Android 87 (Release date: 2020-11-17)
footnote Full support
Firefox for Android – Full support
Firefox for Android 125 (Release date: 2024-04-16)
footnote Full support
Opera Android – Full support
Opera Android 62 (Release date: 2021-02-16)
footnote Full support
Safari on iOS – Full support
Safari on iOS 14.5 (Release date: 2021-04-26)
footnote Full support
Samsung Internet – Full support
Samsung Internet 14 (Release date: 2021-04-17)
footnote Full support
WebView Android – Full support
WebView Android 87 (Release date: 2020-11-17)
footnote Full support
WebView on iOS – Full support
WebView on iOS 14.5 (Release date: 2021-04-26)
footnote Full support
Bun – Full support
Bun 1 (Release date: 2023-09-08)
footnote Full support
Deno – Full support
Deno 1.8 (Release date: 2021-03-02)
footnote Full support
Node.js – Full support
Node.js 16 (Release date: 2021-04-20)
footnote Full support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also