how to set radio option checked onload with jQuery

Question

How to set radio option checked onload with jQuery?

Need to check if no default is set and then set a default

Answer 1

This one will cause form.reset() failure:

$('input:radio[name=gender][value=Male]').attr('checked', true);

But this one works:

$('input:radio[name=gender][value=Male]').click();