CanvasRenderingContext2D.canvas - Web APIs 编辑

The CanvasRenderingContext2D.canvas property, part of the Canvas API, is a read-only reference to the HTMLCanvasElement object that is associated with a given context. It might be null if there is no associated <canvas> element.

Syntax

ctx.canvas;

Examples

Given this <canvas> element:

<canvas id="canvas"></canvas>

... you can get a reference to the canvas element within the CanvasRenderingContext2D by using the canvas property:

var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
ctx.canvas // HTMLCanvasElement

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• CanvasRenderingContext2D interface
• Canvas API