Filling a canvas with set color. It is one of the shortest web application in WebGL 1.0 and JavaScript. It set a clear color and fill the canvas with the color. You can run this applications in Playground (in Plunker), watch demo, read code, make Fork, write something, send a link to your friends: https://next.plnkr.co/edit/nGfFeDfD9WbGs1aS?open=index.html&preview
Plunker: https://next.plnkr.co/edit/nGfFeDfD9WbGs1aS?open=index.html&preview
CodePen: https://codepen.io/8Observer8/pen/VwwmxLd
JSFiddle: https://jsfiddle.net/8Observer8/akv6eh0o/
<!DOCTYPE html>
<html>
<body>
<canvas id="c" width="256" height="256"></canvas>
<script>
var canvas = document.getElementById('c');
var gl = canvas.getContext('webgl');
gl.clearColor(0.2, 0.5, 0.3, 1);
gl.clear(gl.COLOR_BUFFER_BIT);
</script>
</body>
</html>
