jQuery - How to show/hide text box based on selected drop down

Question

Sorry if this is extremely obvious, but I have looked and looked for a solution but haven\'t found anything. I\'m very new to jQuery, so even looking for what I want to do h

Answer 1

$("option").bind('click', function(){
    var selected = $(this).val();
    alert(selected+' selected');
    if (selected == '1') { /* do anything you want */ }
    if (selected == '2') { /* do anything you want */ }
    //etc ...
});