JSFiddle - React, Tailwind, and code Playground
by zhangchi
HTML
<canvas id="main"></canvas>
main
JavaScript
var canvas = document.getElementById("main");
var webgl = canvas.getContext("webgl") || canvas.getContext("experimental-webgl");
webgl.clearColor(0.0, 0.0, 0.0, 1.0);// 指定清空canvas的颜色
webgl.clear(gl.COLOR_BUFFER_BIT);// 清空canvas