Get selected value of a dropdown's item using jQuery

Question

How can I get the selected value of a dropdown box using jQuery?
I tried using

var value = $(\'#dropDownId\').val();

and

Answer 1

If you have more than one dropdown try:

HTML:

    Option1
    Option2


    Option1
    Option2

JavaScript:

    function myFunction(sel) {
        var selected = sel.value;
    }