mirror of
https://github.com/servo/servo.git
synced 2025-06-26 01:54:33 +01:00
36 lines
1.4 KiB
HTML
36 lines
1.4 KiB
HTML
<!doctype html>
|
|
<meta charset=utf-8>
|
|
<title>Changes to @keyframes rules</title>
|
|
<link rel="help" href="https://drafts.csswg.org/css-animations-1/">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="support/testcommon.js"></script>
|
|
<div id="log"></div>
|
|
<script>
|
|
'use strict';
|
|
|
|
test(t => {
|
|
const div = addDiv(t);
|
|
|
|
const originalStyleElement = document.createElement("style");
|
|
originalStyleElement.textContent = '@keyframes anim-custom { from, to { left: 100px } }';
|
|
document.head.appendChild(originalStyleElement);
|
|
|
|
t.add_cleanup(() => originalStyleElement.remove());
|
|
|
|
div.style.animation = 'anim-custom 100s';
|
|
|
|
const computedStyle = getComputedStyle(div);
|
|
assert_equals(computedStyle.left, "100px", "The initial @keyframes rule is applied");
|
|
|
|
// Remove the original style element and add a new one with an animation with the same name.
|
|
const newStyleElement = document.createElement("style");
|
|
newStyleElement.textContent = '@keyframes anim-custom { from, to { left: 200px } }';
|
|
originalStyleElement.replaceWith(newStyleElement);
|
|
|
|
t.add_cleanup(() => newStyleElement.remove());
|
|
|
|
assert_equals(computedStyle.left, "200px", "The new @keyframes rule is applied");
|
|
}, 'Replacing a <style> element with a new <style> element while both containing the different @keyframes rule with the same name dynamically updates running animations.');
|
|
|
|
</script>
|