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The readonly ImageData.width property returns the number of pixels per row in the image data object.




var imagedata = new ImageData(100, 100);
imagedata.width // 100


Specification Status Comment
WHATWG HTML Living Standard
The definition of 'ImageData.width' in that specification.
Living Standard Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 14 (14) 9.0 9.0 3.1
Feature Android Android Webview Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support (Yes) (Yes) 14.0 (14) (Yes) (Yes) (Yes) (Yes)

See also


Document Tags and Contributors

 Contributors to this page: jpmedley, fscholz
 Last updated by: jpmedley,