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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /custom-elements/duplicate-attr-constructor-crash.xhtml - WPT Dashboard Interop Dashboard
<head>
<script>
customElements.define(
"x-test-button",
class extends HTMLButtonElement {
constructor() {
super();
this.setAttribute("data-test", "constructor");
}
},
{extends: "button"}
);
customElements.define(
"x-test-autonomous",
class extends HTMLElement {
constructor() {
super();
this.setAttribute("data-test", "constructor");
}
}
);
</script>
</head>
<body>
<button is="x-test-button" data-test="parser"></button>
<x-test-autonomous data-test="parser"></x-test-autonomous>
</body>
</html>