WPT
wpt / editing / other / join-pre-and-other-block.html?method=backspace&block=blockquote
Spec: https://w3c.github.io/editing/execCommand.html ↗
Runs: Chrome 155.0.8041.0 (wpt@0c9001c53, 2026-09-04) | Firefox 157.0a1 (wpt@18be93235, 2026-09-04) | Safari 251 preview (wpt@2c385f65e, 2026-09-04) | Ladybird 1.0-70fb3 (wpt@0c9001c53, 2026-09-04) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | 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 | 46/46 | 28/46 | 46/46 | 2/46 | 0/46 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| delete at <pre>abc</pre><blockquote>[]def</blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <pre>abc</pre>\n<blockquote>[]def</blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre>[]def</pre> | PASS | PASS | PASS | PASS | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre>[]def</pre> | PASS | PASS | PASS | PASS | FAIL | — |
| delete at <pre>abc</pre><blockquote>[]def<br>ghi</blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <pre>abc</pre>\n<blockquote>[]def<br>ghi</blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <pre>abc</pre><blockquote>[]def<div>ghi</div></blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <pre>abc</pre>\n<blockquote>[]def<div>ghi</div></blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre>[]def\nghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre>[]def\nghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre>[]def<br>ghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre>[]def<br>ghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <pre>abc</pre><blockquote><b>[]def</b></blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <pre>abc</pre>\n<blockquote><b>[]def</b></blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <pre>abc</pre><blockquote><b>[]def<br>ghi</b></blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <pre>abc</pre>\n<blockquote><b>[]def<br>ghi</b></blockquote> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def\nghi</b></pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def\nghi</b></pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def<br>ghi</b></pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def<br>ghi</b></pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def</b>\nghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def</b>\nghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def</b><br>ghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def</b><br>ghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def\n</b>ghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def\n</b>ghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def<br></b>ghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def<br></b>ghi</pre> | PASS | PASS | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre>[]def</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre>[]def</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre>[]def\nghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre>[]def\nghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre>[]def<br>ghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre>[]def<br>ghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def\nghi</b></pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def\nghi</b></pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def<br>ghi</b></pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def<br>ghi</b></pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def</b>\nghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def</b>\nghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def</b><br>ghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def</b><br>ghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def\n</b>ghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def\n</b>ghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote><pre><b>[]def<br></b>ghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |
| delete at <blockquote>abc</blockquote>\n<pre><b>[]def<br></b>ghi</pre> (with <style>pre { white-space: pre; }</style>) | PASS | FAIL | PASS | FAIL | FAIL | — |