A more efficient JavaScript code for a highlighting function?

Question

So this is the functionality I need to clean up:

I need to create a function where viewers can click on any word in a sentence, and it will be highlighted. However,

Answer 1

A similar solution to Jorg's, with some variations. I've done the wrapping with split() and join() instead of regex. I also tend to put my jQuery chains on separate lines for visual clarity.

    
    





    
Here is a sentence.
    
Here is another sentence.
    
Here is yet another sentence.