index.html

<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
        <title>Babylon Template</title>
        <style>
            html, body {
                overflow: hidden;
                width: 100%;
                height: 100%;
                margin: 0;
                padding: 0;
            }
            #renderCanvas {
                width: 100%;
                height: 100%;
                touch-action: none;
            }
        </style>
        <script src="https://cdn.babylonjs.com/babylon.js"></script>
        <script src="https://cdn.babylonjs.com/loaders/babylonjs.loaders.min.js"></script>
        <script src="https://code.jquery.com/pep/0.4.3/pep.js"></script>
        <script src="./testScene2.js"></script>
    </head>
   <body>
    <canvas id="renderCanvas" touch-action="none"></canvas> <!-- touch-action="none" for best results from PEP -->
    <script>
        const canvas = document.getElementById("renderCanvas"); // Get the canvas element
        const engine = new BABYLON.Engine(canvas, true); // Generate the BABYLON 3D engine
        // Add your code here matching the playground format
        const scene = createScene(); //Call the createScene function
        // Register a render loop to repeatedly render the scene
        engine.runRenderLoop(function () {
                scene.render();
        });
        // Watch for browser/canvas resize events
        window.addEventListener("resize", function () {
                engine.resize();
        });
    </script>
   </body>
</html>