JQuery, is there a way to select all elements on the page with a specific attribute?

Question

Assuming I create something like:

Text
..

I then want to find on my page,

Answer 1

You can use the has-attribute selector, for example:

$("[myAttribute]")

To get elements with that attribute with that specific value, use the attribute-equals selector, like this:

$("[myAttribute='Hello']")

You can find the full list of Attribute Selectors available here.