Open padraig-ohiceadha opened 6 years ago
Maybe that's the reason why MS Edge v80 (Chromium) shows it's not supporting, while Google Chrome (v79) shows support for it....?
According to MS Edge Platform Status it should show as supported: https://developer.microsoft.com/en-us/microsoft-edge/platform/status/customelements/?q=custom
Most likely. It's also why the test reports that Firefox doesn't support custom elements also. And the same for Safari. And Chrome should soon also start reporting that it doesn't support custom elements also while the test remains a test for the deprecated Custom Elements v0 as support for Custom Elements v0 is being removed from Chrome in M80, due for release in February. See Chrome Status Custom Elements v0
This has been fixed in my HTML5Test fork.
The test for Custom Elements (in the Web Components section) is outdated, it checks for document.registerElement which is deprecated (it was defined for Custom Elements V0). For Custom Elements V1 : / custom elements /
This has been superseded bu customElements.define ([https://html.spec.whatwg.org/multipage/custom-elements.html#dom-customelementregistry-define]).
I believe the test should be ... / custom elements /
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