async function
Read More at MDN DocsView SpecSafe to Use
async function is considered safe to use.
It’s supported by 93% of global browsers.
Browsers
ChromeDec 1, 2016v55.0.0
26%╱100%
There are no users of Chrome running a supported version.
SafariMar 27, 2017v10.1.05%╱96%
There are no users of Safari running a supported version.
EdgeApr 5, 2017v15.0.05%╱100%
100% of Edge users are running a supported version.
FirefoxMar 7, 2017v52.0.03%╱100%
100% of Firefox users are running a supported version.
Servers
Node.jsFeb 21, 2017v7.6.0
Node.js supports this feature.
DenoMay 4, 2020v1.0.0Deno supports this feature.
Version Breakdown
Support
Adoption
Chrome
Dec 1, 2016 v55.0.0
26%╱100%
There are no users of Chrome running a supported version.
Dec 1, 2016 – Latest
v55.0.0+
26%╱100%
Full Support
Chrome Android
Dec 6, 2016 v55.0.0
36%╱100%
100% of Chrome Android users are running a supported version.
Dec 6, 2016 – Latest
v55.0.0+
36%╱100%
Full Support
Deno
May 4, 2020 v1.0.0
Deno supports this feature.
May 4, 2020 – Latest
v1.0.0+
Full Support
Edge
Apr 5, 2017 v15.0.0
5%╱100%
100% of Edge users are running a supported version.
Apr 5, 2017 – Latest
v15.0.0+
5%╱100%
Full Support
Firefox
Mar 7, 2017 v52.0.0
3%╱100%
100% of Firefox users are running a supported version.
Mar 7, 2017 – Latest
v52.0.0+
3%╱100%
Full Support
Firefox for Android
Mar 7, 2017 v52.0.0
Firefox for Android supports this feature.
Mar 7, 2017 – Latest
v52.0.0+
Full Support
Internet Explorer
Unsupported
Internet Explorer does not support this feature.
No Support
Node.js
Feb 21, 2017 v7.6.0
Node.js supports this feature.
Feb 21, 2017 – Latest
v7.6.0+
Full Support
Oct 25, 2016 – Latest
v7.0.0+
This feature is behind the --harmony runtime_flag
Unknown v5.0.0
Quest Browser supports this feature.
Unknown
v5.0.0+
Full Support
Opera
Dec 13, 2016 v42.0.0
1%╱100%
100% of Opera users are running a supported version.
Dec 13, 2016 – Latest
v42.0.0+
1%╱100%
Full Support
Opera Android
Jan 21, 2017 v42.0.0
Opera Android supports this feature.
Jan 21, 2017 – Latest
v42.0.0+
Full Support
Safari
Mar 27, 2017 v10.1.0
5%╱96%
There are no users of Safari running a supported version.
Mar 27, 2017 – Latest
v10.1.0+
5%╱96%
Full Support
Safari on iOS
Mar 27, 2017 v10.3.0
16%╱99%
There are no users of Safari on iOS running a supported version.
Mar 27, 2017 – Latest
v10.3.0+
16%╱99%
Full Support
Samsung Internet
Aug 23, 2017 v6.0.0
2%╱95%
There are no users of Samsung Internet running a supported version.
Aug 23, 2017 – Latest
v6.0.0+
2%╱95%
Full Support
WebView Android
Dec 6, 2016 v55.0.0
WebView Android supports this feature.
Dec 6, 2016 – Latest
v55.0.0+
Full Support