jquery on chnaged code example

Example 1: click select option to update div jquery

$('#choose').change(function(event) {
        $.post('info.php', { selected: $('#choose').val() },
            function(data) {
                $('#update').html(data);
            }
        );            
    });

Example 2: document.on chenage jquer

$(document).on('change', 'input', function() {
  // Does some stuff and logs the event to the console
});