ImageBitmap.close() - Web APIs 编辑

Experimental

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The ImageBitmap.close() method disposes of all graphical resources associated with an ImageBitmap.

Syntax

void ImageBitmap.close()

Examples

var offscreen = new OffscreenCanvas(256, 256);
var gl = offscreen.getContext('webgl');

// ... some drawing using the gl context ...

var bitmap = offscreen.transferToImageBitmap();
// ImageBitmap { width: 256, height: 256 }

bitmap.close();
// ImageBitmap { width: 0, height: 0 } -- disposed

Specifications

Browser compatibility

BCD tables only load in the browser

See also

• The interface defining this method, ImageBitmap.