# ImageData - [Attribute](#en-us_topic_0000001058340509_section661391987) **ImageData** stores pixel data rendered on a canvas. ## Attribute
Attribute
Type
Description
width
number
Actual width of the rectangle on the canvas, in pixels.
height
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.