Menu
×
   ❮     
HTML CSS JAVASCRIPT SQL PYTHON JAVA PHP HOW TO W3.CSS C C++ C# BOOTSTRAP REACT MYSQL JQUERY EXCEL XML DJANGO NUMPY PANDAS NODEJS R TYPESCRIPT ANGULAR GIT POSTGRESQL MONGODB ASP AWS AI GO KOTLIN SASS VUE GEN AI SCIPY CYBERSECURITY DATA SCIENCE
     ❯   

Canvas shadowBlur Property

❮ Canvas Reference

Example

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

YourbrowserdoesnotsupporttheHTML5canvastag.

JavaScript:

const canvas = document.getElementById("myCanvas");
const ctx = canvas.getContext("2d");

ctx.shadowBlur = 20;
ctx.shadowColor = "black";
ctx.fillStyle = "red";
ctx.fillRect(20, 20, 100, 80);
Try it Yourself »

Description

The shadowBlur property sets or returns the blur level for shadows.

The default value is 0.

See Also:

The shadowColor Property (Set shadow color)

The shadowOffsetX Property (Set shadow x position)

The shadowOffsetY Property (Set shadow y position)

The fillRect() Method (Draw a filled rectangle)

The fillStyle() Property (Set the fill color/style)


Syntax

context.shadowBlur = number

Property Values

Value Description Play it
number The shadow blur level Play it »

Browser Support

The <canvas> element is an HTML5 standard (2014).

shadowBlur is supported in all modern browsers:

Chrome Edge Firefox Safari Opera IE
Yes Yes Yes Yes Yes 9-11

❮ Canvas Reference
W3Schools is optimized for learning and training. Examples might be simplified to improve reading and learning. Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content. While using W3Schools, you agree to have read and accepted our terms of use, cookie and privacy policy.

Copyright 1999-2023 by Refsnes Data. All Rights Reserved. W3Schools is Powered by W3.CSS.