This notepad trick works because of HTML’s “contenteditable” attribute ... The HTML is courtesy of Mike Francis, a London-based Web designer and developer, who posted this to Twitter in ...

If you ever need a quick scratchpad to just write, not save what you write, but just write, you can quickly turn your web browser into an ultra-basic notepad with a single line of HTML.

In the old days, programmers primarily used Notepad ... created HTML file. All you have to do is right-click on the file, then select Open. The file will open in your default web browser.