1 files changed, 5 insertions, 5 deletions
diff --git a/js/tests/visual/carousel.html b/js/tests/visual/carousel.html
index b26895fd0..153c86604 100644
--- a/js/tests/visual/carousel.html
+++ b/js/tests/visual/carousel.html
@@ -47,17 +47,17 @@
 
     <script src="../../../dist/js/bootstrap.bundle.js"></script>
     <script>
-      var t0
-      var t1
-      var carousel = document.getElementById('carousel-example-generic')
+      let t0
+      let t1
+      const carousel = document.getElementById('carousel-example-generic')
 
       // Test to show that the carousel doesn't slide when the current tab isn't visible
       // Test to show that transition-duration can be changed with css
-      carousel.addEventListener('slid.bs.carousel', function (event) {
+      carousel.addEventListener('slid.bs.carousel', event => {
         t1 = performance.now()
         console.log('transition-duration took ' + (t1 - t0) + 'ms, slid at ' + event.timeStamp)
       })
-      carousel.addEventListener('slide.bs.carousel', function () {
+      carousel.addEventListener('slide.bs.carousel', () => {
         t0 = performance.now()
       })
     </script>