offset-rotate-004.html

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This WPT test may be referenced by the following Test IDs:
- /css/motion/offset-rotate-004.html - WPT Dashboard Interop Dashboard

<!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="viewport" content="width=device-width,initial-scale=1">

    <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>