HTML canvas ImageData heightAttributes

HTML canvas 参考手册HTML canvas Reference Manual

Examples

Output the height of the ImageData object:

alert("Height of imgData is: " + imgData.height);

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Browser Support

Internet ExplorerFirefoxOperaGoogle ChromeSafari

Internet Explorer 9, Firefox, Opera, Chrome, and Safari support the ImageData height property.

Note:Internet Explorer 8 and earlier versions do not support the <canvas> element.

Definition and Usage

The height property returns the height of the ImageData object, in pixels.

Tip:See alsocreateImageData()、 getImageData()andputImageData()method, to gain more knowledge about the ImageData object.

JavaScript Syntax

JavaScript Syntax: imgData.height;

HTML canvas 参考手册HTML canvas Reference Manual Other Extensions