coderef

word-break: auto-phraseLimited availability

The word-break: auto-phrase CSS declaration specifies that wrapping should occur at natural phrase boundaries, especially in CJK languages.

Not yet supported in all major browsers — check the table and provide a fallback.

Browser support

DesktopChrome
1–118Not supported
119+Supportedsince Oct 31, 2023
Current: 155
Edge
12–118Not supported
119+Supportedsince Nov 2, 2023
Current: 154
Firefox
✕Not supportedup to 157
Current: 157
Safari
✕Not supportedup to 27
Current: 27
MobileChrome Android
18–118Not supported
119+Supportedsince Oct 31, 2023
Current: 155
Firefox Android
✕Not supportedup to 157
Current: 157
Safari iOS
✕Not supportedup to 27
Current: 27

How to use

Not supported in Firefox, Safari, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.

Example

Full syntax and examples are on MDN — see the links below.

Feature detection

CSS · check before using
@supports (word-break: auto-phrase) {
  /* styles that rely on word-break: auto-phrase */
}

/* or in JavaScript */
if (CSS.supports("word-break", "auto-phrase")) {
  // use it
}