How to show/hide DIV on selection of ANY drop-down value?

Question

I have found many answers to the question:

How do I show/hide DIV on selection of \"Other\" dropdown value.

However I cannot fin

Answer 1

Try this :

Javascript :

function check_dd() {
    if(document.getElementById('security_question_1').value == "") {
        document.getElementById('test').style.display = 'none';
    } else {
        document.getElementById('test').style.display = 'block';
    }
}

HTML :

    Select question...
    Question One
    Question Two
    Question Three
    Question Four
    Question Five
    Question Six 


test