jQuery see if any or no checkboxes are selected

Question

I know how to see if an individual checkbox is selected or not.

But Im having trouble with the following - given a form id I need to see if any of the check

Answer 1

Without using 'length' you can do it like this:

if ($('input[type=checkbox]').is(":checked")) {
      //any one is checked
}
else {
//none is checked
}