<canvas id="canvas" width="100" height="100"></canvas> | |
<script> | |
var canvas = document.getElementById('canvas'); | |
canvas.style.width = '200px'; | |
canvas.style.height = '200px'; | |
var ctx = canvas.getContext('2d'); | |
ctx.fillStyle = '#0f0'; | |
ctx.fillRect(0, 0, 50, 40); | |
</script> |