get word click in paragraphs

Question

I have an HTML document with about 30,000 words in it.

I\'d like to be able to do something when a user clicks any word. For simplicity/concept right now, I\'d just

Answer 1

I did not go through the code to post how exactly it is done, but it is fact that this is done in here, without inserting any extra spans or other elements into the sentence.

http://www.wordreference.com/enit/something