LayoutTests/http/tests/webgpu/hello-cube.html

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=600">
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<title>WebGPU Hello Cube</title>
<link rel="stylesheet" href="css/style.css">
<style>
body {
    font-family: system-ui;
    color: #f7f7ff;
    background-color: rgb(38, 38, 127);
    text-align: center;
}
canvas {
    margin: 0 auto;
}
</style>
</head>
<body>
<div id="contents">
    <h1>Rotating Cube</h1>
    <canvas width=600 height=600></canvas>
</div>
<div id="error">
    <h2>WebGPU not available</h2>
    <p>
        Make sure you are on a system with WebGPU enabled. In
        Safari, first make sure the Developer Menu is visible (Preferences >
        Advanced), then Develop > Experimental Features > WebGPU.
    </p>
    <p>
        In addition, you must be using Safari Technology Preview 92 or above.
        You can get the latest STP <a href="https://developer.apple.com/safari/download/">here</a>.
    </p>
</div>
<script src="scripts/gl-matrix-min.js"></script>
<script src="scripts/hello-cube.js"></script>
</body>
</html>