<!DOCTYPE html>
<html class="reftest-wait">
<head>
<title>CSS Motion Path: offset-rotate</title>
<link rel="help" href="https://drafts.fxtf.org/motion-1/#offset-rotate-property">
<link rel="match" href="offset-rotate-ref.html">
<meta name="assert" content="This tests offset-rotate auto with path()">
<style>
#target {
position: absolute;
left: 300px;
top: 100px;
width: 300px;
height: 200px;
background-color: lime;
transform-origin: 0px 0px;
offset-rotate: auto;
}
</style>
<script>
function test() {
let target = document.getElementById('target');
// Get a path which has the same direction as "ray(120deg ...)"
let verticalMove = 100 * Math.tan(30 * Math.PI / 180);
target.style.offsetPath = `path("m 0 0 l 100 ${verticalMove}")`;
window.getComputedStyle(target).offsetPath;
window.requestAnimationFrame(function() {
document.documentElement.removeAttribute('class');
});
}
</script>
</head>
<body onload='test()'>
<div id="target"></div>
</body>
</html>