Previewing Content Changes In Your Work With document.designMode — Smashing Magazine

You probably already know that you can use developer tools in your browser to make on-the-spot changes to a webpage — simply click the node in the Inspector and make your edits. But have you tried document.designMode? Victor Ayomipo explains how it can be used to preview content changes and demonstrates several use cases where it comes in handy for everything from basic content editing to improving team collaboration.

Source: Previewing Content Changes In Your Work With document.designMode — Smashing Magazine