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HTML canvas shadowOffsetY Property

❮ Canvas Object

Example

Draw a rectangle with a shadow placed 20 pixels below the rectangle's top position:

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JavaScript:

var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.shadowBlur=10;
ctx.shadowOffsetY=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
shadowOffsetY 4.0 9.0 3.6 4.0 10.1

Definition and Usage

The shadowOffsetY property sets or returns the vertical distance of the shadow from the shape.

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

shadowOffsetY=20 indicates that the shadow starts 20 pixels below the shape's top position.

shadowOffsetY=-20 indicates that the shadow starts 20 pixels above the shape's top position.

Tip: To adjust the horizontal distance of the shadow from the shape, use the shadowOffsetX property.

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

Property Values

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

❮ Canvas Object