Canvas shadowOffsetY Property
Example
Draw a rectangle with a shadow placed 20 pixels below the rectangle's top position:
JavaScript:
const canvas = document.getElementById("myCanvas");
const ctx = canvas.getContext("2d");
ctx.shadowBlur = 10;
ctx.shadowOffsetY = 20;
ctx.shadowColor = "black";
ctx.fillStyle = "red";
ctx.fillRect(20, 20, 100, 80);
Try it Yourself »
Description
The shadowOffsetY property sets or returns the vertical distance of the
shadow from the shape.
Default value is 0.
| Value | Description |
|---|---|
| 0 | The shadow is right behind the shape |
| 20 | The shadow starts 20 pixels below the shape's top |
| -20 | The shadow starts 20 pixels above the shape's top |
See Also:
The shadowOffsetX Property (Set shadow x position)
The shadowColor Property (Set shadow color)
The shadowBlur Property (Set shadow blur)
The fillRect() Method (Draw a filled rectangle)
The fillStyle() Property (Set the fill color/style)
Syntax
| context.shadowOffsetY = number |
Property Values
| Value | Description | Play it |
|---|---|---|
| number | The vertical distance to the shadow from the shape | Play it » |
Browser Support
The <canvas> element is an HTML5 standard (2014).
shadowOffsetY is supported in all modern browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | 9-11 |
❮ Canvas Reference