| <svg style="display: block; width: 0; height: 0"> |
| <defs> |
| <filter id="blur"> |
| <feGaussianBlur id="blurElement" stdDeviation="5 0"/> |
| </filter> |
| </defs> |
| </svg> |
| <canvas id="canvas" width="100" height="100"></canvas> |
| <script> |
| var canvas = document.getElementById('canvas'); |
| var ctx = canvas.getContext('2d'); |
| ctx.font = '20px sans-serif'; |
| ctx.filter = 'drop-shadow(0em 1em green) url(#blur)'; |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(20, 20, 20, 20); |
| ctx.font = '30px sans-serif'; |
| document.getElementById('blurElement').setAttribute('stdDeviation', '0, 5'); |
| ctx.fillRect(60, 20, 20, 20); |
| </script> |
