WPT
wpt / editing / other / join-different-white-space-style-left-paragraph-and-right-line.html?method=backspace&left-white-space=normal&right-white-space=pre-wrap
Spec: https://w3c.github.io/editing/execCommand.html ↗
Runs: Chrome 155.0.8039.0 (wpt@a4fcd77aa, 2026-09-03) | Firefox 157.0a1 (wpt@cc4d45aa0, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a9df8 (wpt@47d833bbc, 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 | 22/22 | 22/22 | 22/22 | 1/22 | 0/22 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap">[]def</span> | PASS | PASS | PASS | PASS | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap">[]def</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap">[]def\nghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap">[]def\nghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap">[]def<br>ghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap">[]def<br>ghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap"><b>[]def\nghi</b></span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap"><b>[]def\nghi</b></span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap"><b>[]def<br>ghi</b></span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap"><b>[]def<br>ghi</b></span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap"><b>[]def</b>\nghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap"><b>[]def</b>\nghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap"><b>[]def</b><br>ghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap"><b>[]def</b><br>ghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap"><b>[]def\n</b>ghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap"><b>[]def\n</b>ghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap"><b>[]def<br></b>ghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap"><b>[]def<br></b>ghi</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap"><b>[]def\nghi</b>jkl</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap"><b>[]def\nghi</b>jkl</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span style="white-space:pre-wrap"><b>[]def<br>ghi</b>jkl</span> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <div style="white-space:normal">abc</div><span class="preWrap"><b>[]def<br>ghi</b>jkl</span> | PASS | PASS | PASS | FAIL | FAIL | — |