jQuery add/remove css class on selected radio

Question

I\'ve read a few solutions on here, but my problem differs enough where those will not work. Basically if the radio button is checked, add a css class to the parent div. If

Answer 1

JavaScript

'use strict';
var o = 'label.input-check, label.input-radio';
$(o).find('input').change(function () {
    $(o).find('input').filter('input[name="' + (this).name + '"]').each(function () {
        $(this).parent(o).toggleClass('checked', (this).checked);
    });
}).trigger('change');

Demo: http://jsfiddle.net/3uwp9c2n/

Just optimize if you need.