WPT
wpt / custom-elements / builtin-coverage.html
Spec: https://html.spec.whatwg.org/multipage/custom-elements.html ↗
Runs: Chrome 155.0.8039.0 (wpt@6ec9fd59f, 2026-09-03) | Firefox 157.0a1 (wpt@6ec9fd59f, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-795e1 (wpt@7e3d005d7, 2026-09-03) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 444/444 | 444/444 | 149/444 | 444/444 | 444/444 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| a: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| a: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| a: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| a: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| abbr: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| abbr: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| abbr: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| abbr: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| address: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| address: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| address: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| address: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| area: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| area: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| area: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| area: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| article: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| article: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| article: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| article: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| aside: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| aside: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| aside: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| aside: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| audio: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| audio: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| audio: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| audio: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| b: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| b: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| b: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| b: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| base: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| base: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| base: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| base: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| bdi: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| bdi: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| bdi: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| bdi: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| bdo: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| bdo: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| bdo: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| bdo: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| blockquote: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| blockquote: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| blockquote: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| blockquote: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| body: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| body: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| body: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| body: document parser should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| br: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| br: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| br: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| br: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| button: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| button: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| button: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| button: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| canvas: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| canvas: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| canvas: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| canvas: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| caption: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| caption: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| caption: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| caption: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| cite: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| cite: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| cite: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| cite: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| code: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| code: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| code: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| code: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| col: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| col: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| col: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| col: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| colgroup: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| colgroup: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| colgroup: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| colgroup: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| data: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| data: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| data: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| data: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dd: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| dd: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| dd: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dd: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| del: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| del: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| del: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| del: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| details: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| details: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| details: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| details: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dfn: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| dfn: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| dfn: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dfn: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| div: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| div: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| div: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| div: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dl: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| dl: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dl: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dl: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dt: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| dt: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| dt: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dt: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| em: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| em: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| em: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| em: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| embed: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| embed: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| embed: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| embed: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| fieldset: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| fieldset: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| fieldset: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| fieldset: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| figcaption: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| figcaption: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| figcaption: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| figcaption: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| figure: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| figure: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| figure: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| figure: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| footer: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| footer: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| footer: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| footer: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| form: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| form: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| form: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| form: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h1: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| h1: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h1: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h1: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h2: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| h2: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h2: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h2: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h3: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| h3: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h3: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h3: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h4: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| h4: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h4: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h4: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h5: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| h5: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h5: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h5: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h6: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| h6: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h6: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| h6: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| header: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| header: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| header: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| header: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| hgroup: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| hgroup: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| hgroup: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| hgroup: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| hr: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| hr: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| hr: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| hr: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| html: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| html: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| html: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| html: document parser should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| i: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| i: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| i: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| i: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| iframe: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| iframe: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| iframe: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| iframe: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| img: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| img: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| img: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| img: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| input: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| input: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| input: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| input: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ins: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| ins: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ins: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ins: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| kbd: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| kbd: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| kbd: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| kbd: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| label: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| label: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| label: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| label: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| legend: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| legend: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| legend: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| legend: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| li: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| li: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| li: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| li: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| link: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| link: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| link: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| link: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| main: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| main: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| main: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| main: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| map: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| map: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| map: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| map: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| mark: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| mark: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| mark: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| mark: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| menu: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| menu: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| menu: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| menu: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| meta: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| meta: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| meta: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| meta: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| meter: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| meter: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| meter: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| meter: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| nav: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| nav: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| nav: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| nav: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| noscript: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| noscript: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| noscript: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| noscript: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| object: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| object: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| object: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| object: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ol: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| ol: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ol: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ol: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| optgroup: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| optgroup: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| optgroup: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| optgroup: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| option: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| option: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| option: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| option: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| output: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| output: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| output: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| output: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| p: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| p: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| p: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| p: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| param: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| param: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| param: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| param: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| picture: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| picture: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| picture: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| picture: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| pre: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| pre: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| pre: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| pre: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| progress: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| progress: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| progress: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| progress: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| q: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| q: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| q: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| q: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| rp: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| rp: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| rp: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| rp: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| rt: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| rt: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| rt: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| rt: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ruby: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| ruby: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| ruby: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ruby: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| s: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| s: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| s: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| s: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| samp: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| samp: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| samp: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| samp: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| script: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| script: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| script: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| script: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| section: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| section: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| section: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| section: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| select: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| select: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| select: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| select: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| small: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| small: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| small: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| small: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| source: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| source: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| source: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| source: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| span: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| span: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| span: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| span: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| strong: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| strong: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| strong: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| strong: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| style: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| style: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| style: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| style: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| sub: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| sub: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| sub: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| sub: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| summary: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| summary: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| summary: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| summary: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| sup: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| sup: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| sup: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| sup: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| table: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| table: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| table: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| table: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| tbody: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| tbody: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| tbody: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| tbody: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| td: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| td: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| td: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| td: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| template: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| template: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| template: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| template: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| textarea: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| textarea: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| textarea: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| textarea: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| tfoot: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| tfoot: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| tfoot: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| tfoot: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| th: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| th: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| th: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| th: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| thead: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| thead: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| thead: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| thead: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| time: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| time: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| time: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| time: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| title: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| title: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| title: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| title: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| tr: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| tr: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| tr: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| tr: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| track: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| track: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| track: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| track: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| u: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| u: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| u: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| u: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ul: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| ul: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ul: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| ul: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| var: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| var: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| var: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| var: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| video: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| video: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| video: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| video: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| wbr: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| wbr: Operator 'new' should instantiate a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| wbr: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| wbr: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| datalist: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| datalist: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| datalist: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| datalist: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dialog: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| dialog: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dialog: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| dialog: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| slot: Define a customized built-in element | PASS | PASS | PASS | PASS | PASS | — |
| slot: Operator 'new' should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| slot: document.createElement() should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |
| slot: innerHTML should instantiate a customized built-in element | PASS | PASS | FAIL | PASS | PASS | — |