<canvas id="canvas" width="500" height="500" style="width: 100px; height: 100px"></canvas> | |
<script> | |
var canvas = document.getElementById('canvas'); | |
var ctx = canvas.getContext('2d'); | |
ctx.filter = 'drop-shadow(0px 50px black)'; | |
ctx.fillStyle = '#0f0'; | |
ctx.fillRect(125, 125, 250, 200); | |
</script> |