OffscreenCanvas: width property

Note: This feature is available in Web Workers.

The width property returns and sets the width of an OffscreenCanvas object.

Value

A positive integer representing the width of the offscreen canvas in CSS pixels.

Creating a new offscreen canvas and returning or setting the width of the offscreen canvas:

const offscreen = new OffscreenCanvas(256, 256);
offscreen.width; // 256
offscreen.width = 512;