diff --git a/.eslintrc.json b/.eslintrc.json
index 2164bf67..ee854f44 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -3,6 +3,7 @@
   "extends": [ "plugin:editorconfig/all" ],
   "plugins": [ "editorconfig" ],
   "rules": {
+    "prefer-arrow-callback": "error",
     "no-var": "error",
     "quotes": [
       "error",
diff --git a/includes/sys_form.php b/includes/sys_form.php
index 2c43ed58..ce6258e6 100644
--- a/includes/sys_form.php
+++ b/includes/sys_form.php
@@ -38,13 +38,13 @@ function form_spinner($name, $label, $value)
             </button>
         </div>
         <script type="text/javascript">
-            $(\'#spinner-' . $name . '-down\').click(function () {
-                const spinner = $(\'#spinner-' . $name . '\');
-                spinner.val(parseInt(spinner.val()) - 1);
+            document.getElementById("spinner-' . $name . '-down")?.addEventListener("click", () => {
+                const spinner = document.getElementById("spinner-' . $name . '");
+                spinner.value = parseInt(spinner.value, 10) - 1;
             });
-            $(\'#spinner-' . $name . '-up\').click(function () {
-                const spinner = $(\'#spinner-' . $name . '\');
-                spinner.val(parseInt(spinner.val()) + 1);
+            document.getElementById("spinner-' . $name . '-up")?.addEventListener("click", () => {
+                const spinner = document.getElementById("spinner-' . $name . '");
+                spinner.value = parseInt(spinner.value, 10) + 1;
             });
         </script>
         ', 'spinner-' . $name);
diff --git a/includes/sys_template.php b/includes/sys_template.php
index f2960d1b..27f68115 100644
--- a/includes/sys_template.php
+++ b/includes/sys_template.php
@@ -389,15 +389,18 @@ function render_table($columns, $rows, $data = true)
  * @param string $href
  * @param string $label
  * @param string $class
+ * @param string $id
  * @return string
  */
-function button($href, $label, $class = '')
+function button($href, $label, $class = '', $id = '')
 {
     if (!Str::contains(str_replace(['btn-sm', 'btn-xl'], '', $class), 'btn-')) {
         $class = 'btn-secondary' . ($class ? ' ' . $class : '');
     }
 
-    return '<a href="' . $href . '" class="btn ' . $class . '">' . $label . '</a>';
+    $idAttribute = $id ? 'id="' . $id . '"' : '';
+
+    return '<a ' . $idAttribute . ' href="' . $href . '" class="btn ' . $class . '">' . $label . '</a>';
 }
 
 /**
diff --git a/includes/view/PublicDashboard_view.php b/includes/view/PublicDashboard_view.php
index c5822f0a..7a3104cb 100644
--- a/includes/view/PublicDashboard_view.php
+++ b/includes/view/PublicDashboard_view.php
@@ -41,24 +41,16 @@ function public_dashboard_view($stats, $free_shifts)
                     stats(__('Angels needed for nightshifts'), $stats['needed-night']),
                     stats(__('Angels currently working'), $stats['angels-working'], 'default'),
                     stats(__('Hours to be worked'), $stats['hours-to-work'], 'default'),
-                    '<script>
-                    $(function () {
-                        setInterval(function () {
-                            $(\'#content .wrapper\').load(window.location.href + \' #public-dashboard\');
-                        }, 60000);
-                    })
-                    </script>'
                 ], 'statistics'),
                 $needed_angels
             ], 'public-dashboard'),
         ]),
         div('first col-md-12 text-center', [buttons([
-            button_js(
-                '
-                $(\'#navbar-collapse-1,.navbar-nav,.navbar-toggler,#footer,#fullscreen-button\').remove();
-                $(\'.navbar-brand\').append(\' ' . __('Public Dashboard') . '\');
-                ',
-                icon('fullscreen') . __('Fullscreen')
+            button(
+                '#',
+                icon('fullscreen') . __('Fullscreen'),
+                '',
+                'dashboard-fullscreen'
             ),
             auth()->user() ? button(
                 public_dashboard_link($isFiltered ? [] : ['filtered' => 1] + $filter),
diff --git a/includes/view/UserDriverLicenses_view.php b/includes/view/UserDriverLicenses_view.php
index 0f7fe150..f32f4f2f 100644
--- a/includes/view/UserDriverLicenses_view.php
+++ b/includes/view/UserDriverLicenses_view.php
@@ -53,20 +53,20 @@ function UserDriverLicense_edit_view($user_source, $user_driver_license)
         ]),
         '
         <script type="text/javascript">
-            $(function () {
-                const checkbox = $(\'#wants_to_drive\');
-                if (checkbox.is(\':checked\'))
-                    $(\'#driving_license\').show();
-                else
-                    $(\'#driving_license\').hide();
+            const drivingLicenseElement = document.getElementById("driving_license");
 
-                checkbox.click(function () {
-                if ($(\'#wants_to_drive\').is(\':checked\'))
-                    $(\'#driving_license\').show();
-                else
-                    $(\'#driving_license\').hide();
+            if (drivingLicenseElement) {
+                const checkbox = document.getElementById("wants_to_drive");
+                drivingLicenseElement.style.display = checkbox?.checked
+                    ? ""
+                    : "none";
+
+                checkbox.addEventListener("click", () => {
+                    drivingLicenseElement.style.display = document.getElementById("wants_to_drive")?.checked
+                        ? ""
+                        : "none";
                 });
-            });
+            }
         </script>
         '
     ], true);
diff --git a/resources/assets/js/countdown.js b/resources/assets/js/countdown.js
index cd849677..a31a2d36 100644
--- a/resources/assets/js/countdown.js
+++ b/resources/assets/js/countdown.js
@@ -69,14 +69,13 @@ function formatFromNow(timestamp) {
 /**
  * Initialises all countdown fields on the page.
  */
-ready(function () {
-  $.each($('[data-countdown-ts]'), function (i, e) {
-    const span = $(e);
-    const timestamp = span.data('countdown-ts');
-    const text = span.html();
-    span.html(text.replace('%c', formatFromNow(timestamp)));
-    setInterval(function () {
-      span.html(text.replace('%c', formatFromNow(timestamp)));
+ready(() => {
+  document.querySelectorAll('[data-countdown-ts]').forEach((element) => {
+    const timestamp = element.dataset.countdownTs;
+    const template = element.innerHTML;
+    element.innerHTML = template.replace('%c', formatFromNow(timestamp));
+    setInterval(() => {
+      element.innerHTML = template.replace('%c', formatFromNow(timestamp));
     }, 1000);
   });
 });
diff --git a/resources/assets/js/dashboard.js b/resources/assets/js/dashboard.js
new file mode 100644
index 00000000..e5fd4d11
--- /dev/null
+++ b/resources/assets/js/dashboard.js
@@ -0,0 +1,37 @@
+import { ready } from './ready';
+
+ready(() => {
+  if (!document.getElementById('public-dashboard')) return;
+
+  // reload page every minute
+  setInterval(async () => {
+    const response = await fetch(window.location.href);
+
+    if (!response.ok) {
+      console.warn('error loading dashboard');
+      return;
+    }
+
+    const responseData = await response.text();
+    const parser = new DOMParser();
+    const dummyDocument = parser.parseFromString(responseData, 'text/html');
+    const dashboardContent = dummyDocument.getElementById('public-dashboard');
+    document.querySelector('#content .wrapper').innerHTML = dashboardContent.outerHTML;
+  }, 60000);
+
+  // Handle fullscreen button
+  // - Remove some elements from UI
+  // - Add "Public Dashboard" to title
+  document.getElementById('dashboard-fullscreen')
+    ?.addEventListener('click', (event) => {
+      event.preventDefault();
+      document.querySelectorAll(
+        '#navbar-collapse-1,.navbar-nav,.navbar-toggler,#footer,#fullscreen-button'
+      ).forEach((element) => {
+        element.parentNode.removeChild(element);
+      });
+
+      document.querySelector('.navbar-brand')
+        ?.appendChild(document.createTextNode('Dashboard'));
+    });
+});
diff --git a/resources/assets/js/forms.js b/resources/assets/js/forms.js
index 8fb28228..2b0cec96 100644
--- a/resources/assets/js/forms.js
+++ b/resources/assets/js/forms.js
@@ -1,7 +1,15 @@
-require('select2');
+import 'select2';
 import { formatDay, formatTime } from './date';
 import { ready } from './ready';
 
+/**
+ * @param {HTMLElement} element
+ */
+const triggerChange = (element) => {
+  const changeEvent = new Event('change');
+  element.dispatchEvent(changeEvent);
+}
+
 /**
  * Sets all checkboxes to the wanted state
  *
@@ -9,8 +17,8 @@ import { ready } from './ready';
  * @param {boolean} checked True if the checkboxes should be checked
  */
 global.checkAll = (id, checked) => {
-  $('#' + id + ' input[type="checkbox"]').each(function () {
-    this.checked = checked;
+  document.querySelectorAll('#' + id + ' input[type="checkbox"]').forEach((element) => {
+    element.checked = checked;
   });
 };
 
@@ -18,11 +26,12 @@ global.checkAll = (id, checked) => {
  * Sets the checkboxes according to the given type
  *
  * @param {string} id The elements ID
- * @param {list} shiftsList A list of numbers
+ * @param {int[]} shiftsList A list of numbers
  */
 global.checkOwnTypes = (id, shiftsList) => {
-  $('#' + id + ' input[type="checkbox"]').each(function () {
-    this.checked = $.inArray(parseInt(this.value), shiftsList) != -1;
+  document.querySelectorAll('#' + id + ' input[type="checkbox"]').forEach((element) => {
+    const value = parseInt(element.value, 10);
+    element.checked = shiftsList.includes(value);
   });
 };
 
@@ -37,21 +46,23 @@ global.checkOwnTypes = (id, shiftsList) => {
  * @param {Date} to
  */
 global.setInput = (from, to) => {
-  const fromDay = $('#start_day');
-  const fromTime = $('#start_time');
-  const toDay = $('#end_day');
-  const toTime = $('#end_time');
+  const fromDay = document.getElementById('start_day');
+  const fromTime = document.getElementById('start_time');
+  const toDay = document.getElementById('end_day');
+  const toTime = document.getElementById('end_time');
 
   if (!fromDay || !fromTime || !toDay || !toTime) {
     console.warn('cannot set input date because of missing field');
     return;
   }
 
-  fromDay.val(formatDay(from)).trigger('change');
-  fromTime.val(formatTime(from));
+  fromDay.value = formatDay(from);
+  triggerChange(fromDay);
+  fromTime.value = formatTime(from);
 
-  toDay.val(formatDay(to)).trigger('change');
-  toTime.val(formatTime(to));
+  toDay.value = formatDay(to);
+  triggerChange(toDay);
+  toTime.value = formatTime(to);
 };
 
 global.setDay = (days) => {
@@ -86,33 +97,42 @@ global.setHours = (hours) => {
   setInput(from, to);
 };
 
-ready(function () {
+ready(() => {
   /**
-     * Disable every submit button after clicking (to prevent double-clicking)
-     */
-  $('form').submit(function (ev) {
-    $('input[type="submit"]').prop('readonly', true).addClass('disabled');
-    return true;
+   * Disable every submit button after clicking (to prevent double-clicking)
+   */
+  document.querySelectorAll('form').forEach((formElement) => {
+    formElement.addEventListener('submit', () => {
+      document.querySelectorAll('input[type="submit"],button[type="submit"]').forEach((element) => {
+        element.readOnly = true;
+        element.classList.add('disabled');
+      });
+    });
   });
-
 });
 
 /*
  * Button to set current time in time input fields.
  */
-ready(function () {
-  $('.input-group.time').each(function () {
-    const elem = $(this);
-    elem.find('button').on('click', function () {
+ready(() => {
+  document.querySelectorAll('.input-group.time').forEach((element) => {
+    const button = element.querySelector('button');
+    if (!button) return;
+
+    button.addEventListener('click', () => {
       const now = new Date();
-      const input = elem.children('input').first();
-      input.val(formatTime(now));
-      const daySelector = $('#' + input.attr('id').replace('time', 'day'));
-      const days = daySelector.children('option');
+      const input = element.querySelector('input');
+      if (!input) return;
+
+      input.value = formatTime(now);
+      const daySelector = document.getElementById(input.id.replace('time', 'day'));
+      if (!daySelector) return;
+
+      const dayElements = daySelector.querySelectorAll('option');
       const yyyyMMDD = formatDay(now);
-      days.each(function (i) {
-        if ($(days[i]).val() === yyyyMMDD) {
-          daySelector.val($(days[i]).val());
+      dayElements.forEach((dayElement) => {
+        if (dayElement.value === yyyyMMDD) {
+          daySelector.value = dayElement.value;
           return false;
         }
       });
@@ -120,7 +140,7 @@ ready(function () {
   });
 });
 
-ready(function () {
+ready(() => {
   $('select').select2({
     theme: 'bootstrap-5',
     width: '100%',
@@ -130,15 +150,17 @@ ready(function () {
 /**
  * Show oauth buttons on welcome title click
  */
-ready(function () {
-  $('#welcome-title').on('click', function () {
-    $('.btn-group.btn-group .btn.d-none').removeClass('d-none');
-  });
-  $('#settings-title').on('click', function () {
-    $('.user-settings .nav-item').removeClass('d-none');
-  });
-  $('#oauth-settings-title').on('click', function () {
-    $('table tr.d-none').removeClass('d-none');
+ready(() => {
+  [
+    ['welcome-title', '.btn-group.btn-group .btn.d-none'],
+    ['settings-title', '.user-settings .nav-item'],
+    ['oauth-settings-title', 'table tr.d-none'],
+  ].forEach(([id, selector]) => {
+    document.getElementById(id)?.addEventListener('click', () => {
+      document.querySelectorAll(selector).forEach((element) => {
+        element.classList.remove('d-none');
+      });
+    });
   });
 });
 
@@ -149,7 +171,7 @@ ready(function () {
  */
 ready(() => {
   const filter = document.getElementById('collapseShiftsFilterSelect');
-  if (!filter || localStorage.getItem('collapseShiftsFilterSelect') !== 'hidden') {
+  if (!filter || localStorage.getItem('collapseShiftsFilterSelect') !== 'hidden.bs.collapse') {
     return;
   }
 
@@ -165,7 +187,9 @@ ready(() => {
     localStorage.setItem('collapseShiftsFilterSelect', e.type);
   };
 
-  $('#collapseShiftsFilterSelect')
-    .on('hidden.bs.collapse', onChange)
-    .on('shown.bs.collapse', onChange);
+  document.getElementById('collapseShiftsFilterSelect')
+    ?.addEventListener('hidden.bs.collapse', onChange);
+
+  document.getElementById('collapseShiftsFilterSelect')
+    ?.addEventListener('shown.bs.collapse', onChange);
 });
diff --git a/resources/assets/js/sticky-headers.js b/resources/assets/js/sticky-headers.js
index fb243f12..9f7abc44 100644
--- a/resources/assets/js/sticky-headers.js
+++ b/resources/assets/js/sticky-headers.js
@@ -1,34 +1,44 @@
 import { ready } from './ready';
 
+/**
+ * @param {NodeList} elements
+ * @param {string} styleProp
+ * @param {*} value
+ */
+const applyStyle = (elements, prop, value) => {
+  elements.forEach((element) => {
+    element.style[prop] = value;
+  });
+}
+
 /**
  * Enables the fixed headers and time lane for the shift-calendar and datatables
  */
-ready(function () {
-  if ($('.shift-calendar').length) {
-    const timeLanes = $('.shift-calendar .time');
-    const headers = $('.shift-calendar .header');
-    const topReference = $('.container-fluid .row');
-    timeLanes.css({
-      'position': 'relative',
-      'z-index': 999
-    });
-    headers.css({
-      'position': 'relative',
-      'z-index': 900
-    });
-    $(window).scroll(
-      function () {
-        const top = headers.parent().offset().top;
-        const left = 15;
-        timeLanes.css({
-          'left': Math.max(0, $(window).scrollLeft() - left) + 'px'
-        });
-        headers.css({
-          'top': Math.max(0, $(window).scrollTop() - top
-                        - 13
-                        + topReference.offset().top)
-                        + 'px'
-        });
-      });
-  }
+ready(() => {
+  if (!document.querySelector('.shift-calendar')) return;
+
+  const headers = document.querySelectorAll('.shift-calendar .header');
+  const timeLane = document.querySelector('.shift-calendar .time');
+  const topReference = document.querySelector('.container-fluid .row');
+
+  if (!headers.length || !timeLane || !topReference) return;
+
+  timeLane.style.position = 'relative';
+  timeLane.style.zIndex = 999;
+
+  applyStyle(headers, 'position', 'relative');
+  applyStyle(headers, 'zIndex', 900);
+
+  window.addEventListener('scroll', () => {
+    const top = headers.item(0).parentNode.getBoundingClientRect().top;
+    const left = 15;
+
+    timeLane.style.left = Math.max(0, window.scrollX - left) + 'px';
+
+    const headersTop = Math.max(
+      0,
+      window.scrollY - top - 13 + topReference.getBoundingClientRect().top
+    ) + 'px';
+    applyStyle(headers, 'top', headersTop);
+  });
 });
diff --git a/resources/assets/js/vendor.js b/resources/assets/js/vendor.js
index 13f93e70..d056fcd5 100644
--- a/resources/assets/js/vendor.js
+++ b/resources/assets/js/vendor.js
@@ -1,11 +1,7 @@
-require('core-js/stable');
+import 'core-js/stable';
 window.$ = window.jQuery = require('jquery');
 window.bootstrap = require('bootstrap');
-require('./forms');
-require('./sticky-headers');
-require('./countdown');
-
-
-$.ajaxSetup({
-  headers: {'X-CSRF-TOKEN': $('meta[name="csrf-token"]').attr('content')}
-});
+import './forms';
+import './sticky-headers';
+import './countdown';
+import './dashboard';
diff --git a/resources/views/pages/design.twig b/resources/views/pages/design.twig
index 651e329b..6c43c65c 100644
--- a/resources/views/pages/design.twig
+++ b/resources/views/pages/design.twig
@@ -249,13 +249,27 @@
                         </div>
                     </div>
                     <div class="col-md-3 col-lg-2">
-                        Submit button<br>
-                        {{ f.submit() }}
+                        Form submit
+                        <form id="form">
+                            {{ f.submit() }}
+                        </form>
                     </div>
-                    <div class="col-md-3 col-lg-2">
+                    <div id="checkboxes" class="col-md-3 col-lg-2">
                         Checkbox<br>
-                        {{ f.checkbox('form-input-checkbox', 'Checkbox', true) }}
-                        {{ f.checkbox('form-input-checkbox-2', 'Checkbox 2') }}
+                        {{ f.checkbox('form-input-checkbox', 'Checkbox 1', true, '1') }}
+                        {{ f.checkbox('form-input-checkbox-2', 'Checkbox 2', false, '2') }}
+                        {{ f.checkbox('form-input-checkbox-3', 'Checkbox 3', false, '3') }}
+                        <div class="d-grid gap-2">
+                            <div id="select-all-checkboxes" class="btn btn-sm btn-block btn-primary">
+                                Select all
+                            </div>
+                            <div id="select-23-checkboxes" class="btn btn-sm btn-block btn-primary">
+                                Select 2, 3
+                            </div>
+                            <div id="unselect-all-checkboxes" class="btn btn-sm btn-block btn-danger">
+                                Unselect all
+                            </div>
+                        </div>
                     </div>
                     <div class="col-md-3 col-lg-2 checkbox-inline">
                         Radio<br>
@@ -406,4 +420,22 @@
         {{ bar_chart | raw }}
     </div>
     </div>
+    <script>
+        document.getElementById('select-all-checkboxes').addEventListener('click', () => {
+            checkAll('checkboxes', true);
+        });
+
+        document.getElementById('unselect-all-checkboxes').addEventListener('click', () => {
+            checkAll('checkboxes', false);
+        });
+
+        document.getElementById('select-23-checkboxes').addEventListener('click', () => {
+            checkOwnTypes('checkboxes', [2, 3]);
+        });
+
+        document.getElementById('form').addEventListener('submit', (e) => {
+            e.preventDefault();
+            return false;
+        });
+    </script>
 {% endblock %}