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