jQuery - How to match an element has attribute a or attribute b

Question

How to write a jquery selector to match an element has attribute a or attribute b. It must match three elements below

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Answer 1

You can use a multiple selector (,) with the attribute-equals selector (or any other selectors), for example:

$("a[a=123], a[b=345]")

You can test it out here.

Answer 2

Try this

$('a[b="345"],a[a=123] ')

See the jQuery Multiple selector docs.

Answer 3

Or generally for mere presence of attribute

$("a[a], a[b]")