# ImageData


> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE：**
> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.


**ImageData** stores pixel data rendered on a canvas.


## Attributes

  | Name | Type | Description | 
| -------- | -------- | -------- |
| width | number | Actual width of the rectangle on the canvas, in pixels. | 
| height | number | Actual height of the rectangle on the canvas, in pixels. | 
| data | <Uint8ClampedArray> | A one-dimensional array of color values. The values range from 0 to 255. |