HTML canvas shadowBlurProperty
Canvas ObjectExample
Draw a red rectangle with a black shadow, with a blur level of 20:
JavaScript：
var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.shadowBlur=20;
ctx.shadowColor="black";
ctx.fillStyle="red";
ctx.fillRect(20,20,100,80);
var ctx=c.getContext("2d");
ctx.shadowBlur=20;
ctx.shadowColor="black";
ctx.fillStyle="red";
ctx.fillRect(20,20,100,80);
Try it Yourself »
Browser Support
Internet Explorer 9, Firefox, Opera, Chrome, and Safari support the shadowBlur property.
Note:Internet Explorer 8 and earlier versions do not support the <canvas> element.
Definition and Usage
The shadowBlur property sets or returns the blur level for shadows.
| Default value: | 0 |
|---|---|
| JavaScript syntax: | context.shadowBlur=number; |
Property Value
| Value | Description |
|---|---|
| number | The blur level for shadows |
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