Test for empty jQuery selection result

Question

Say I do

var s = $(\'#something\');

and next I want to test if jQuery found #something, i.e. I want to test if s is empty.

<

Answer 1

Use the s.length property.

if(s.length == 0) {
    ...
}

[edit] size() deprecated in jquery 1.8 http://api.jquery.com/size/