How can I check in JavaScript if a DOM element contains a class?

Question

How can I check in JavaScript if a DOM element contains a class?

I tried the following code, but for some reason it doesn\'t work...

if (document.get         


        

Answer 1

If you are using jQuery then just this simple code will help:

if ($('.yourclass').length) {
  // do something
} 

If you like to check more than 2 classes in the page then use $('.yourclass').length > 2