HTML canvas shadowBlur Property
Example
Draw a red rectangle with a black shadow, with 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);  
Try it Yourself »
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
| Property | |||||
|---|---|---|---|---|---|
| shadowBlur | 4.0 | 9.0 | 3.6 | 4.0 | 10.1 | 
Definition and Usage
The shadowBlur property sets or returns the blur level for shadows.
| Default value: | 0 | 
|---|---|
| JavaScript syntax: | context.shadowBlur = number; | 
Property Values
| Value | Description | Play it | 
|---|---|---|
| number | The blur level for the shadow | Play it » | 
❮ Canvas Object

