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HTML canvas shadowOffsetX Property

❮ HTML Canvas Reference

Example

Draw a rectangle with a shadow placed 20 pixels to the right (from the rectangle's left position):

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JavaScript:

var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.shadowBlur = 10;
ctx.shadowOffsetX = 20;
ctx.shadowColor = "black";
ctx.fillStyle = "red";
ctx.fillRect(20, 20, 100, 80);
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Browser Support

The numbers in the table specify the first browser version that fully supports the property.

Property
shadowOffsetX Yes 9.0 Yes Yes Yes

Definition and Usage

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

shadowOffsetX=0 indicates that the shadow is right behind the shape.

shadowOffsetX=20 indicates that the shadow starts 20 pixels to the right (from the shape's left position).

shadowOffsetX=-20 indicates that the shadow starts 20 pixels to the left (from the shape's left position).

Tip: To adjust the vertical distance of the shadow from the shape, use the shadowOffsetY property.

Default value: 0
JavaScript syntax: context.shadowOffsetX=number;

Property Values

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

❮ HTML Canvas Reference