How can I select an element with multiple classes in jQuery?

Question

I want to select all the elements that have the two classes a and b.

<element class="a b">

So, only the elements that have both classes.

When I use $(".a, .b") it gives me the union, but I want the intersection.

Answer 1

If you want to select an element with multiple classes in jQuery then just write the selectors together without spaces in between them like below:-

$('.a.b')

Another thing the order is not relevant, so you can also swap the classes:

$('.b.a')