Tutorials References Exercises Bootcamps Videos Menu
Sign Up Create Website Get Certified Upgrade

HTML canvas shadowBlur Property

❮ HTML Canvas Reference


Draw a red rectangle with a black shadow, with blur level of 20:



let c = document.getElementById("myCanvas");
let 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.

shadowBlur Yes 9.0 Yes Yes Yes

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 »

❮ HTML Canvas Reference