<head> | |
<meta name="viewport" content="width=device-width"> | |
<style> | |
canvas { | |
width: 100px; | |
height: 100px; | |
background-color: black; | |
padding: 10px; | |
} | |
</style> | |
</head> | |
<canvas> | |
<script type="text/javascript"> | |
var canvas = document.querySelector("canvas"); | |
canvas.width = canvas.clientWidth * window.devicePixelRatio; | |
canvas.height = canvas.clientHeight * window.devicePixelRatio; | |
var gl = canvas.getContext("webgl"); | |
gl.clearColor(0, 0, 0, 1); | |
gl.clear(gl.COLOR_BUFFER_BIT); | |
</script> | |
</canvas> |