In an existing contenteditable with“Hello World” in it, selecting“World”. Push the“Backspace” button. Note what characters are left(some browsers leave a space and others do not)
Chrome(Desktop)
remaining: Hello with no space
Safari(Desktop)
remaining: Hello with no space
Firefox(Desktop)
remaining: Hello with space at end
Android API 28
Remaining: Hello with space at end
Android API 27
Remaining: Hello with space at end
Android API 26
Remaining: Hello with space at end.
Note: The data values are not visible in screenshot but are null or undefined
Chrome (Desktop)
Safari (Desktop)
Firefox (Desktop)
Android API 28
Android API 27
Android API 26
Android API 25
Android API 24
Android API 23
iOS 11.4