Remove DOMContentLoaded. (#28337)

There's no reason for us to wait here.

js/tests/visual/carousel.html

@@ -54,8 +54,8 @@
     <script src="../../dist/util.js"></script>
     <script src="../../dist/carousel.js"></script>
     <script>
-      document.addEventListener('DOMContentLoaded', function () {
-        var t0, t1;
+      var t0
+      var t1
       var carousel = document.getElementById('carousel-example-generic')
 
       // Test to show that the carousel doesn't slide when the current tab isn't visible
@@ -67,7 +67,6 @@
       carousel.addEventListener('slide.bs.carousel', function () {
         t0 = performance.now()
       })
-      })
     </script>
   </body>
 </html>

js/tests/visual/modal.html

@@ -217,15 +217,12 @@
     <script src="../../dist/tooltip.js"></script>
     <script src="../../dist/popover.js"></script>
     <script>
-      var firefoxTestDone = false
-      document.addEventListener('DOMContentLoaded', function () {
       var ffBugTestResult = document.getElementById('ff-bug-test-result')
+      var firefoxTestDone = false
 
       function reportFirefoxTestResult(result) {
         if (!firefoxTestDone) {
-            ffBugTestResult.classList
-              .add(result ? 'text-success' : 'text-danger')
-
+          ffBugTestResult.classList.add(result ? 'text-success' : 'text-danger')
           ffBugTestResult.innerHTML = result ? 'PASS' : 'FAIL'
         }
       }
@@ -286,7 +283,8 @@
       })
 
       // Test transition duration
-        var t0, t1;
+      var t0
+      var t1
       var slowModal = document.getElementById('slowModal')
 
       slowModal.addEventListener('shown.bs.modal', function () {
@@ -297,7 +295,6 @@
       slowModal.addEventListener('show.bs.modal', function () {
         t0 = performance.now()
       })
-      })
     </script>
   </body>
 </html>

js/tests/visual/popover.html

@@ -41,12 +41,10 @@
     <script src="../../dist/tooltip.js"></script>
     <script src="../../dist/popover.js"></script>
     <script>
-      document.addEventListener('DOMContentLoaded', function () {
       [].slice.call(document.querySelectorAll('[data-toggle="popover"]'))
         .forEach(function (popover) {
           new Popover(popover)
         })
-      })
     </script>
   </body>
 </html>

js/tests/visual/tooltip.html

@@ -80,7 +80,6 @@
     <script src="../../dist/dom/selectorEngine.js"></script>
     <script src="../../dist/tooltip.js"></script>
     <script>
-      document.addEventListener('DOMContentLoaded', function () {
       if (typeof document.body.attachShadow === 'function') {
         var shadowRoot = document.getElementById('shadow').attachShadow({ mode: 'open' })
         shadowRoot.innerHTML =
@@ -113,7 +112,6 @@
         trigger : 'manual'
       })
       targetTooltip.show()
-      })
     </script>
   </body>
 </html>

site/docs/4.3/assets/js/src/application.js

@@ -15,7 +15,6 @@
 (function () {
   'use strict'
 
-  document.addEventListener('DOMContentLoaded', function () {
   // Tooltip and popover demos
   bootstrap.Util.makeArray(document.querySelectorAll('.tooltip-demo'))
     .forEach(function (tooltip) {
@@ -153,5 +152,4 @@
     })
 
   bsCustomFileInput.init()
-  })
 }())