app/assets/javascripts/pages/backend/monthly_leave_times.js
document.addEventListener("turbolinks:load", function() {
var $year = $("select[id=year]")
var $month = $("select[id=month]")
$year.on('change', function() {
Turbolinks.visit("/backend/monthly_leave_times?year=" + $year.val() + "&month=" + $month.val());
});
$month.on('change', function() {
Turbolinks.visit("/backend/monthly_leave_times?year=" + $year.val() + "&month=" + $month.val());
});
});