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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /css/css-cascade/scope-starting-style.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>@scope - inner @starting-style</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
@scope (.a) {
@starting-style {
:scope {
width: 100px;
}
.b {
width: 100px;
}
}
}
.a, .b {
transition: width 100s steps(2, start); /* 50% progress */
width: 200px;
}
</style>
<main>
<div class=a>
<div class=b>
</div>
</div>
<div class=b></div>
</main>
<script>
test(() => {
let a = document.querySelector('main > .a');
let b = document.querySelector('main > .a > .b');
assert_equals(getComputedStyle(a).width, '150px');
assert_equals(getComputedStyle(b).width, '150px');
let out_of_scope_b = document.querySelector('main > .b');
assert_equals(getComputedStyle(out_of_scope_b).width, '200px');
}, 'Style rules within @starting-style are scoped');
</script>