I\'m currently adding verbose tooltips to our site, and I\'d like (without having to resort to a whizz-bang jQuery plugin, I know there are many!) to use carriage returns to
We had a requirement where we needed to test all of these, here is what I wish to share
document.getElementById("tooltip").setAttribute("title", "Tool\x0ATip\x0AOn\x0ANew\x0ALine")
Tooltip with
new
line
Works in all browsers
Tooltip with
Not works Firefox browsers
Tooltip with
Works in some browsers
Tooltip with 
May work in some browsers
Tooltip with document.getElementById("tooltip").setAttribute("title", "Tool\x0ATip\x0AOn\x0ANew\x0ALine")
May work in some browsers
Tooltip with •
Unordered list tooltip
Tooltip with \n
May not work in modern browsers
Tooltip with \t
May not work in modern browsers
Tooltip with 
Works in most browsers
Fiddle