The DOM specification was updated so that DOMTokenList replace() returns a boolean value. This is useful for code which takes different paths depending on whether a replacement occurred, avoiding the need for an extra condition using contains().

Specification

Specification link


Specification being incubated in a Community Group

Status in Chromium

Blink>DOM


Enabled by default (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

Owner

Search tags

DOMTokenList,

Last updated on 2022-01-14