Logical AND assignment (&&=)
Read More at MDN DocsView SpecSafe to Use
Logical AND assignment (&&=) is considered safe to use.
It’s supported by 91% of global browsers.
Browsers
ChromeAug 25, 2020v85.0.0
24%╱94%
There are no users of Chrome running a supported version.
SafariSep 16, 2020v14.0.05%╱93%
There are no users of Safari running a supported version.
EdgeAug 27, 2020v85.0.05%╱100%
There are no users of Edge running a supported version.
FirefoxJul 28, 2020v79.0.02%╱96%
There are no users of Firefox running a supported version.
Servers
Node.jsOct 20, 2020v15.0.0
Node.js supports this feature.
DenoJul 13, 2020v1.2.0Deno supports this feature.
Version Breakdown
Support
Adoption
Chrome
Aug 25, 2020 v85.0.0
24%╱94%
There are no users of Chrome running a supported version.
Aug 25, 2020 – Latest
v85.0.0+
24%╱94%
Full Support
Chrome Android
Aug 25, 2020 v85.0.0
36%╱99%
There are no users of Chrome Android running a supported version.
Aug 25, 2020 – Latest
v85.0.0+
36%╱99%
Full Support
Deno
Jul 13, 2020 v1.2.0
Deno supports this feature.
Jul 13, 2020 – Latest
v1.2.0+
Full Support
Edge
Aug 27, 2020 v85.0.0
5%╱100%
There are no users of Edge running a supported version.
Aug 27, 2020 – Latest
v85.0.0+
5%╱100%
Full Support
Firefox
Jul 28, 2020 v79.0.0
2%╱96%
There are no users of Firefox running a supported version.
Jul 28, 2020 – Latest
v79.0.0+
2%╱96%
Full Support
Firefox for Android
Jul 28, 2020 v79.0.0
Firefox for Android supports this feature.
Jul 28, 2020 – Latest
v79.0.0+
Full Support
Internet Explorer
Unsupported
Internet Explorer does not support this feature.
No Support
Node.js
Oct 20, 2020 v15.0.0
Node.js supports this feature.
Oct 20, 2020 – Latest
v15.0.0+
Full Support
Unknown v12.0.0
Quest Browser supports this feature.
Unknown
v12.0.0+
Full Support
Opera
Sep 15, 2020 v71.0.0
1%╱68%
There are no users of Opera running a supported version.
Sep 15, 2020 – Latest
v71.0.0+
1%╱68%
Full Support
Opera Android
Sep 23, 2020 v60.0.0
Opera Android supports this feature.
Sep 23, 2020 – Latest
v60.0.0+
Full Support
Safari
Sep 16, 2020 v14.0.0
5%╱93%
There are no users of Safari running a supported version.
Sep 16, 2020 – Latest
v14.0.0+
5%╱93%
Full Support
Safari on iOS
Sep 16, 2020 v14.0.0
16%╱96%
There are no users of Safari on iOS running a supported version.
Sep 16, 2020 – Latest
v14.0.0+
16%╱96%
Full Support
Samsung Internet
Apr 17, 2021 v14.0.0
2%╱92%
There are no users of Samsung Internet running a supported version.
Apr 17, 2021 – Latest
v14.0.0+
2%╱92%
Full Support
WebView Android
Aug 25, 2020 v85.0.0
WebView Android supports this feature.
Aug 25, 2020 – Latest
v85.0.0+
Full Support