How to add a class to body tag?

Question

I want to add a class to a body tag with jQuery.

For example if the URL is http://www.mywebsite.com/about_us.asp, I want add the first five letters, in this case \'a

Answer 1

Something like this might work:

$("body").attr("class", "about");

It uses jQuery's attr() to add the class 'about' to the body.