Benefits of using attr() over addClass in jquery

Question

What are the benefits of using attr() instead of using addClass() in jquery?

Answer 1

attr(a,b) sets an element's "a" attribute to "b".

addClass(a) adds the "a" class to an element

for example...

Html

Script

$("#box").attr("class", "myOtherClass");

Result

And...

Html

Script

$("#box").addClass("myOtherClass");

Result

jQuery Links:

http://api.jquery.com/attr/

http://api.jquery.com/addClass/