How to get Dropdown selected value on client side onchange event?

Question

I have written a code for dropdown selected index changed event at client side using onchange event and create one JavaScript function. Now, I want to retrieve selected values in this function. How can I get this value?

Answer 1

This will give you selected text.

$("#mydropdownid option:selected").text(); 

This will give you selected value

$('#mydropdownid').val();

Answer 2

$("#DropDownlist:selected").val();