For radio button:

```
$(document).ready(function() {
        $('#select-number').click(function() {
                if ($('input:radio', this).is(':checked')) {
                    return true;
                } else {
                    alert('Please select something!');
                    return false;
            }
        });

    });

```

It is working fine when no radio button is selected. But When I select the radio button and submit the form Then also it is giving me the alert message `'Please select something!'` Is there any good tutorials available for validation using `Jquery` for `newbie`.