How to dynamically change the color of the selected menu item of a web page?

Question

I am new to developing web pages. I am looking to create menus similar to the ones in stackoverflow.com (like Questions, Tags, Users shown above). How do I change the color

Answer 1

At last I managed to achieve what I intended with all your help and the post Change a link style onclick. Here is the code for that. I used JavaScript for doing this.

    
        
    
    
        item 1
        item 2
        item 3
        item 4
        item 5
        item 6