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Test Info:
<!DOCTYPE html>
<html class="reftest-wait">
<title>
Child element in animating element that display property is changed from none
</title>
<style>
#test {
display: none;
width: 100px;
height: 100px;
}
#child {
background-color: green;
width: 50px;
height: 50px;
}
</style>
<div id="test">
<div id="child"></div>
</div>
<script>
var anim = test.animate({ backgroundColor: [ 'blue', 'blue' ] },
{ duration: 1000,
iterations: Infinity });
requestAnimationFrame(() => {
requestAnimationFrame(() => {
document.styleSheets[0].cssRules[0].style.setProperty('display', 'block');
document.documentElement.classList.remove('reftest-wait');
});
});
</script>
</html>