ImageData.width
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
只读的 ImageData.width 属性，返回在图像数据对象中每一行像素的数量。
语法
imagedata.width
示例
js
var imagedata = new ImageData(100, 100);
imagedata.width; // 100
规范
| Specification |
|---|
| HTML # dom-imagedata-width |