index.html

<head>
    <meta charset="utf-8">
    <title>TITLE</title>
    <style>
        html,
        body,
        canvas {
            margin: 0px;
            padding: 0px;
            width: 100%;
            height: 100%;
            overflow: hidden;
            position: absolute;
            background: black;
            z-index: 0;
        }
    </style>
</head>

<body>
    <canvas id="glcanvas" tabindex='1'></canvas>
    <!-- Minified and statically hosted version of https://github.com/not-fl3/miniquad/blob/master/native/sapp-wasm/js/gl.js -->
    <script src="gl-0.2.55.js"></script>
    <script src="https://not-fl3.github.io/miniquad-samples/sapp_jsutils.js"></script>
    <script>
        load("lines.wasm");
        console.log("loaded");
    </script> <!-- Your compiled wasm file -->
</body>

</html>