HTMLCanvasElement: width property
The HTMLCanvasElement.width
property is a
positive integer
reflecting the width
HTML
attribute of the <canvas>
element interpreted in CSS pixels. When the
attribute is not specified, or if it is set to an invalid value, like a negative, the
default value of 300
is used.
This is one of the two properties, the other being
HTMLCanvasElement.height
, that controls the size of the canvas.
Value
A number.
Examples
Given this <canvas>
element:
html
<canvas id="canvas" width="300" height="300"></canvas>
You can get the width of the canvas with the following code:
js
const canvas = document.getElementById("canvas");
console.log(canvas.width); // 300
Specifications
Specification |
---|
HTML Standard # dom-canvas-height |
Browser compatibility
BCD tables only load in the browser
See also
HTMLCanvasElement
: Interface used to define theHTMLCanvasElement.width
propertyHTMLCanvasElement.height
: Other property used to control the size of the canvas