Check if the radio button is changed by the keyboard or mouse

Question

Is possible to tell how a radio button was selected, i.e. if the user used the keyboard or the mouse to click the radio button?

Answer 1

 

 $("#radiobtn").keyup(function(e) {
    var code = e.keyCode || e.which;
    if (code == 32) { 
       alert("Space bar was pressed");
    }
    else {
       alert("mouse click");
    }
 });