How to I get the value of a radio button with javascript

Question

I need to obtain the value of a radio button using javascript

I have a radio group called selection

Answer 1

Use:

function getRadioValue(name) {
    var group = document.getElementsByName(name);

    for (var i=0;i

Application:

var selectedValue = getRadioValue('selection');

Demo:

http://www.jsfiddle.net/tqQWT/