jQuery combine multiple elements

Question

I was experimenting with jQuery and came across a question. Can I use an actual selector with existing element as a combined selector for

Answer 1

If you have multiple elements to combine you don't wan to do

$('p').add($div1).add($div2).add($div3).add($div4).add($div5).add($div6) ...

Instead you want to convert a JavaScript array into a jQuery object

$( $.map([x,y,z], a => [...$.makeArray(a)]) )

Source: Merging jQuery objects