How to get input type using jquery?

Question

I have a page where the input type always varies, and I need to get the values depending on the input type. So if the type is a radio, I need to get which is checked, and if

Answer 1

GetValue = function(id) {
  var tag = this.tagName;
  var type = this.attr("type");

  if (tag == "input" && (type == "checkbox" || type == "radio"))
    return this.is(":checked");

  return this.val();
};