jquery - how to check if element has any classes attached to it

Question

you would imagine this would be easy to implement, but oh well..

anyway, I have an element to which classes are added or removed based of interaction on the site.

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Answer 1

Use this one...

var classes = $('#mydiv').attr('class').split(/\s+/);

This will give you an array of all the classes applied to your element. For the length you can simply extend it as

var classes = $('#mydiv').attr('class').split(/\s+/).length;

Cheers