January 2023 web platform update
Now widely available on the web platform
Widely available
-
Grid: CSS Grid is a two-dimensional layout system, which lays content out in rows and columns. Learn more.
-
min(), max(), and clamp(): The
min()
andmax()
CSS functions return the minimum or maximum of the arguments, whileclamp()
clamps a value to a given range. Learn more. -
Promise.allSettled(): The
Promise.allSettled()
static method waits for an array of promises to settle (resolve or reject). Learn more. -
:read-only and :read-write: The
:read-only
and:read-write
CSS pseudo-classes match elements that are read-only or read-write, respectively. For example,:read-only
matches<input>
and<textarea>
elements with thereadonly
attribute. Learn more.
Newly available on the web platform
Newly available
-
MathML: MathML, or the Mathematical Markup Language, describes mathematical notation, such as expressions and formulas. Also known as MathML Core. Learn more.
Now available in Chrome
Limited availability
-
lh unit: The CSS
lh
unit corresponds to the requested line height, the computed value of theline-height
property. Some lines may be higher than this based on their content. Learn more.
Now available in Chrome Android
Limited availability
-
lh unit: The CSS
lh
unit corresponds to the requested line height, the computed value of theline-height
property. Some lines may be higher than this based on their content. Learn more. -
Origin private file system: The
navigator.storage.getDirectory()
method returns aFileSystemDirectoryHandle
that is restricted to a specific origin and invisible to the user's actual file system for faster file-based applications, such as SQLite databases. Learn more.
Now available in Edge
Limited availability
-
lh unit: The CSS
lh
unit corresponds to the requested line height, the computed value of theline-height
property. Some lines may be higher than this based on their content. Learn more.
Now available in Firefox
Limited availability
-
scrollend: The
scrollend
event fires when an element or document has finished scrolling. Learn more.
Now available in Firefox for Android
Limited availability
-
scrollend: The
scrollend
event fires when an element or document has finished scrolling. Learn more.