HTMLCanvasElement toBlob

Creates a Blob object representing a file containing the image in the canvas, and invokes a callback with a handle to that object.

Comments

Developers have been looking forward to this functionality for a long time: http://stackoverflow.com/questions/6736023/which-browsers-and-versions-support-the-canvas-toblob-method

Documentation

• https://developers.google.com/web/updates/2016/03/canvas-toblob-in-chrome-50
• https://developer.mozilla.org/en-US/docs/Web/API/HTMLCanvasElement/toBlob

Specification

Editor's draft

Status in Chromium

Blink components: Blink

Enabled by default (tracking bug) in:

• Chrome for desktop release 50
• Chrome for Android release 50
• Android WebView release 50
• Opera release 37
• Opera for Android release 37

Consensus & Standardization

• Firefox: Shipped
• Edge: Shipped
• Safari: No public signals
• Web Developers: Strongly positive

Owner

• xlai@chromium.org

Last updated on 2017-06-14