Canvas width attribute
Definition and usage
width The property returns the width of the ImageData object in pixels.
Tip:See also createImageData(),getImageData() and putImageData() Methods, to learn more about the ImageData object.
Example
Output the width of ImageData object:
alert("Width of imgData is: " + imgData.width);
Syntax
imgData.width;
Technical details
| Default value: | #000000 |
|---|
Browser support
Table numbers indicate the first browser version that fully supports this attribute.
| Chrome | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|
| Chrome | Edge | Firefox | Safari | Opera |
| 4.0 | 9.0 | 3.6 | 4.0 | 10.1 |
注释：Internet Explorer 8 以及更早的版本不支持 <canvas> 元素。
