How to get position of every character

Question

How to get position (left, top) of every characters in some node? I know just one method: wrap every character in it's own tag and then we can get it's coordinate. But it's bit slowly

Answer 1

I've found answer on my question — Range interface can present all information that I need (More info — http://www.w3.org/TR/DOM-Level-2-Traversal-Range/ranges.html).