WPT
wpt / dom / nodes / MutationObserver-characterData.html
Spec: DOM ↗
Runs: Chrome 155.0.8041.0 (wpt@07d3da1fa, 2026-09-04) | Firefox 157.0a1 (wpt@4fbf9ef4d, 2026-09-04) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7825 (wpt@4fbf9ef4d, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 22/23 | 23/23 | 23/23 | 23/23 | 23/23 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| characterData Text.data: simple mutation without oldValue | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.data: simple mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.appendData: simple mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.appendData: empty string mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.appendData: null string mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.insertData: simple mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.insertData: empty string mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.insertData: null string mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.deleteData: simple mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.deleteData: empty mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.replaceData: simple mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData Text.replaceData: empty mutation | PASS | PASS | PASS | PASS | PASS | — |
| characterData ProcessingInstruction: data mutations | FAIL | PASS | PASS | PASS | PASS | — |
| characterData Comment: data mutations | PASS | PASS | PASS | PASS | PASS | — |
| Range (r70) is created | PASS | PASS | PASS | PASS | PASS | — |
| characterData Range.deleteContents: child and data removal mutation | PASS | PASS | PASS | PASS | PASS | — |
| Range (r71) is created | PASS | PASS | PASS | PASS | PASS | — |
| characterData Range.deleteContents: child and data removal mutation (2) | PASS | PASS | PASS | PASS | PASS | — |
| Range (r80) is created | PASS | PASS | PASS | PASS | PASS | — |
| characterData Range.extractContents: child and data removal mutation | PASS | PASS | PASS | PASS | PASS | — |
| Range (r81) is created | PASS | PASS | PASS | PASS | PASS | — |
| characterData Range.extractContents: child and data removal mutation (2) | PASS | PASS | PASS | PASS | PASS | — |
| characterData/characterDataOldValue alone Text.data: simple mutation | PASS | PASS | PASS | PASS | PASS | — |