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.

So, only the e

Answer 1

The problem you're having, is that you are using a Group Selector, whereas you should be using a Multiples selector! To be more specific, you're using $('.a, .b') whereas you should be using $('.a.b').

For more information, see the overview of the different ways to combine selectors herebelow!

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Group Selector : ","

Select all

elements AND all

elements AND all elements :

$('h1, p, a')

Multiples selector : "" (no character)

Select all elements of type text, with classes code and red :

$('input[type="text"].code.red')

Descendant Selector : " " (space)

Select all elements inside

elements:

$('p i')

Child Selector : ">"

Select all

elements that are immediate children of a
• element:

  $('li > ul')
  

  Adjacent Sibling Selector : "+"

  Select all elements that are placed immediately after

  elements:

  $('h2 + a')
  

  General Sibling Selector : "~"

  Select all elements that are siblings of

  elements:

  $('div ~ span')
  

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