LayoutTests/model-element/gpup/gpup-model-element.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>3D Model Example</title>
</head>
<script>
    function handleEvent() {
        console.log("MODEL IS LOADED")
        globalThis.testRunner?.notifyDone();
    }

    window.onload = function() {
        globalThis.testRunner?.waitUntilDone();
        console.log("Page has finished loading!");
        const model = document.getElementsByName("model")[0];
        model.addEventListener("load", handleEvent);
    };
    
</script>
<body>
    <h1>3D Model Viewer</h1>
    <!-- BlendyLogo.usd ball_soccerball_realistic.usdz -->
    <model name="model" src="../resources/cube.usdz" width="600" height="400" controls="true" entityTransform="translate3d(0px, 0px, 107px)">
        <p>Your browser does not support the <model> element.</p>
    </model>
</body>
</html>