How to use the Javascript to add/remove the CSS/colour style to the html page?

Question

I have a simple javascript question in the HTML page.

In my case, the user can use the mouse to select some text in the paragrahe, e.g. us

Answer 1

You can use the following for selected text coloring (http://jsfiddle.net/7kh8s/):

*This is a very basic one I did, but selected color is working.

    


        My name is John,
        I live in ABC and I have a car.
        I like to play TV game.