HTML canvas shadowOffsetX Property
Example
Draw a rectangle with a shadow placed 20 pixels to the right (from the rectangle's left position):
JavaScript:
const canvas = document.getElementById("myCanvas");
const ctx = canvas.getContext("2d");
ctx.shadowBlur = 10;
ctx.shadowOffsetX = 20;
ctx.shadowColor = "black";
ctx.fillStyle = "red";
ctx.fillRect(20, 20, 100, 80);
Try it Yourself »
Description
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 » |
Browser Support
The <canvas> element is an HTML5 standard (2014).
shadowOffsetX is supported in all modern browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | 9-11 |
❮ Canvas API
