Desative o botão no pop -up Swal
function DeleteConfirm(c){
swal({
title: "Want to delete this item?",
text: "You will not be able to undo this action!",
type: "warning",
showCancelButton: true,
confirmButtonColor: "#DD6B55",
confirmButtonText: "Yes, delete it!",
closeOnConfirm: false
}, function(){
$(".confirm").attr('disabled', 'disabled');
});
}
Thoughtful Tapir