shadowOffsetX Property - Javascript Canvas Reference

Javascript examples for Canvas Reference:shadowOffsetX


The shadowOffsetX property sets or gets the horizontal distance of the shadow from the shape.

shadowOffsetX = 0 indicates that the shadow is right behind the shape while shadowOffsetX = 20 starts the shadow 20 pixels to the right.

JavaScript syntax

context.shadowOffsetX = number;

Property Values

Value Description
number A positive or negative number that defines the horizontal distance of the shadow from the shape


Draw a rectangle with a shadow placed 20 pixels to the right:

Demo Code

ResultView the demo in separate window

<!DOCTYPE html>

<canvas id="myCanvas" width="300" height="250" style="border:1px solid #d3d3d3;">
Your browser does not support the HTML5 canvas tag.</canvas>


var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.shadowBlur = 10;//from ww w .ja va  2  s.  c o  m
ctx.shadowOffsetX = 20;
ctx.shadowColor = "black";
ctx.fillStyle= "red";
ctx.fillRect(20, 20, 100, 80);



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