Example
Draw a rectangle with a shadow placed 20 pixels to the right (from the rectangle's left position):
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);
Try it Yourself »
Browser Support
The numbers in the table specify the first browser version that fully supports the property.
| Property | |||||
|---|---|---|---|---|---|
| shadowOffsetX | 4.0 | 9.0 | 3.6 | 4.0 | 10.1 |
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 » |
< Canvas Object