length property

Gets or sets the number of pixel entries in a CanvasPixelArray object.

This property is read/write.

HTML Canvas 2D Context, Section 13Internet Explorer 9



HRESULT put_length();

HRESULT get_length(
  [out, retval] unsigned long *number

Property values

Type: unsigned long

The number of pixel entries in an array.

Standards information


A unit of length represents the height and width attributes of an CanvasImageData object times four (that is, height × width × 4)

For an example of using length, see Sampling image colors with Canvas.