| Tests that perform-undo-perform of the mergeable action does not crash. |
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| Initial value |
| [expanded] |
| element.style { () |
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| ======== Matched CSS Rules ======== |
| [expanded] |
| .container { (perform-undo-perform-of-mergable-action.html:7) |
| font-weight: bold; |
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| [expanded] |
| div { (user agent stylesheet) |
| display: block; |
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| After changing property |
| [expanded] |
| element.style { () |
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| ======== Matched CSS Rules ======== |
| [expanded] |
| .container { (perform-undo-perform-of-mergable-action.html:7) |
| font-weight: normal; |
| |
| [expanded] |
| div { (user agent stylesheet) |
| display: block; |
| |
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| After undo |
| [expanded] |
| element.style { () |
| |
| ======== Matched CSS Rules ======== |
| [expanded] |
| .container { (perform-undo-perform-of-mergable-action.html:7) |
| font-weight: bold; |
| |
| [expanded] |
| div { (user agent stylesheet) |
| display: block; |
| |
| |
| After perform |
| [expanded] |
| element.style { () |
| |
| ======== Matched CSS Rules ======== |
| [expanded] |
| .container { (perform-undo-perform-of-mergable-action.html:7) |
| font-weight: normal; |
| |
| [expanded] |
| div { (user agent stylesheet) |
| display: block; |
| |
| |
| |