Lexical grammar

Read More at MDN DocsView Spec

Safe to Use

Lexical grammar is considered safe to use.

It’s supported by 94% of global browsers.

Browsers

ChromeApr 23, 2019v74.0.0
25%╱99%
There are no users of Chrome running a supported version.
SafariMar 24, 2020v13.1.0
3%╱97%
There are no users of Safari running a supported version.
EdgeJan 15, 2020v79.0.0
4%╱100%
There are no users of Edge running a supported version.
FirefoxMay 21, 2019v67.0.0
3%╱97%
There are no users of Firefox running a supported version.

Servers

Node.jsMar 11, 2013v0.10.0
Node.js supports this feature.
DenoMay 4, 2020v1.0.0
Deno supports this feature.

Version Breakdown

 
Agent
Support
Adoption
Chrome
Apr 23, 2019 v74.0.0
25%╱99%
There are no users of Chrome running a supported version.
Apr 23, 2019 – Latest
v74.0.0+
25%╱99%

Full Support

Chrome Android
Apr 24, 2019 v74.0.0
38%╱99%
There are no users of Chrome Android running a supported version.
Apr 24, 2019 – Latest
v74.0.0+
38%╱99%

Full Support

Deno
May 4, 2020 v1.0.0
Deno supports this feature.
May 4, 2020 – Latest
v1.0.0+

Full Support

Edge
Jan 15, 2020 v79.0.0
4%╱100%
There are no users of Edge running a supported version.
Jan 15, 2020 – Latest
v79.0.0+
4%╱100%

Full Support

Firefox
May 21, 2019 v67.0.0
3%╱97%
There are no users of Firefox running a supported version.
May 21, 2019 – Latest
v67.0.0+
3%╱97%

Full Support

Firefox for Android
May 21, 2019 v67.0.0
Firefox for Android supports this feature.
May 21, 2019 – Latest
v67.0.0+

Full Support

Internet Explorer
Unsupported
Internet Explorer does not support this feature.

No Support

Node.js
Mar 11, 2013 v0.10.0
Node.js supports this feature.
Mar 11, 2013 – Latest
v0.10.0+

Full Support

 
Quest Browser
Unknown v6.0.0
Quest Browser supports this feature.
Unknown
v6.0.0+

Full Support

Opera
Jun 27, 2019 v62.0.0
2%╱95%
There are no users of Opera running a supported version.
Jun 27, 2019 – Latest
v62.0.0+
2%╱95%

Full Support

Opera Android
Jul 11, 2019 v53.0.0
Opera Android supports this feature.
Jul 11, 2019 – Latest
v53.0.0+

Full Support

Safari
Mar 24, 2020 v13.1.0
3%╱97%
There are no users of Safari running a supported version.
Mar 24, 2020 – Latest
v13.1.0+
3%╱97%

Full Support

Safari on iOS
Mar 24, 2020 v13.4.0
16%╱95%
There are no users of Safari on iOS running a supported version.
Mar 24, 2020 – Latest
v13.4.0+
16%╱95%

Full Support

Samsung Internet
Dec 5, 2019 v11.0.0
2%╱92%
There are no users of Samsung Internet running a supported version.
Dec 5, 2019 – Latest
v11.0.0+
2%╱92%

Full Support

WebView Android
Apr 24, 2019 v74.0.0
WebView Android supports this feature.
Apr 24, 2019 – Latest
v74.0.0+

Full Support

See Also

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