Insert ellipsis (…) into HTML tag if content too wide

Question

I have a webpage with an elastic layout that changes its width if the browser window is resized.

In this layout there are headlines (h2) that will have

Answer 1

Just in case y'all end up here in 2013 - here is a pure css approach I found here: http://css-tricks.com/snippets/css/truncate-string-with-ellipsis/

.truncate {
  width: 250px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

It works well.