The readonly ImageData.width property returns the number of pixels per row in the ImageData 对象。

句法

imageData.width
					

范例

This example creates an ImageData object that is 200 pixels wide and 100 pixels tall. Thus, the width 特性为 200 .

let imageData = new ImageData(200, 100);
console.log(imageData.width);  // 200
					

规范

规范 状态 注释
HTML 实时标准
The definition of 'ImageData.width' in that specification.
实时标准 初始定义。

浏览器兼容性

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据
桌面 移动
Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
width Chrome Yes Edge 12 Firefox 14 IE 9 Opera 9 Safari 3.1 WebView Android Yes Chrome Android Yes Firefox Android 14 Opera Android Yes Safari iOS Yes Samsung Internet Android Yes

图例

完整支持

完整支持

另请参阅

元数据

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