Force IE contentEditable element to create line breaks on Enter key, without breaking Undo

Question

On Internet Explorer, a contentEditable DIV creates a new paragraph (

) each time you press Enter whereas Firefox creates a
<

Answer 1

Use
instead of

(Tested in IE9. Maybe nbsp; is needed in older versions after
(pasteHTML("
 ")) )

Use it on keydown event:

if (e.keyCode == 13) {
 var range = document.selection.createRange();
 range.pasteHTML("
 ");
 range.moveStart("character", 0);
 range.moveEnd("character", -1);
 range.select();
 return false;
}