For Firefox 75, we intend to ship JavaScript public static fields.
Summary: Public static fields in JavaScript classes.
For example:
class C {
static a= 0;
}
Public instance fields have been shipping since Firefox 69. The intent to ship
can be found at
<https://groups.google.com/forum/?_escaped_fragment_=topic/mozilla.dev.platform/GhSNChVLgZQ>.
Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1535804
Standard: https://github.com/tc39/proposal-static-class-features/
Platform coverage: All
Preference: None
DevTools bug: None, public static fields are already displayed just fine.
Other browsers: Shipping in Chrome
<https://www.chromestatus.com/feature/6001727933251584>. In
progress in Safari <https://bugs.webkit.org/show_bug.cgi?id=194095>.
Tests: Covered in test262, the ECMAScript conformance test suite. In tree
stored in
js/src/tests/test262, upstream repository is <https://github.com/tc39/test262>.
Secure contexts: JavaScript language features should be enabled everywhere.
Is this feature enabled by default in sandboxed iframes: Yes, because it
doesn't affect sandboxing.
How stable is the spec: The public static fields part of the spec hasn't been
modified in recent
months, so we don't expect any major changes to it. The private static fields
part did receive some
changes, but that feature isn't yet implemented in Firefox.
- André
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