transition-during-style-attr-mutation.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-transitions/crashtests/transition-during-style-attr-mutation.html - WPT Dashboard Interop Dashboard

<!DOCTYPE HTML>

<title>Don't crash when mutating style attribute with non-initial transition</title>

<link rel="help" href="https://crbug.com/1313554">

<style>

  #foo { transition: --unset 1s linear; }

</style>

<div id=foo style="background-color:red">PASS if no crash</div>

<script>

foo.offsetTop;

foo.style.backgroundColor = 'green';

foo.offsetTop;

</script>