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<!DOCTYPE html>
<title>Worklet Animation with options</title>
<link rel="help" href="https://drafts.css-houdini.org/css-animationworklet/">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/web-animations/testcommon.js"></script>
<script src="common.js"></script>
<div id="target"></div>
<script id="animate_with_options" type="text/worklet">
registerAnimator("test_animator", class {
constructor(options) {
this.time_ = options.time;
}
animate(currentTime, effect) {
effect.localTime = this.time_;
}
});
</script>
<script>
promise_test(async t => {
await runInAnimationWorklet(document.getElementById('animate_with_options').textContent);
const target = document.getElementById('target');
const effect = new KeyframeEffect(target, [{ opacity: 0 }], { duration: 1000 });
const options = {'time': 500};
const animation = new WorkletAnimation('test_animator', effect, document.timeline, options);
animation.play();
// wait until local times are synced back to the main thread.
await waitForAnimationFrameWithCondition(_ => {
return getComputedStyle(target).opacity != '1';
});
assert_equals(getComputedStyle(target).opacity, "0.5");
}, "Animator should be able to use options to update the animation");
</script>
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