diff --git a/js/src/util.js b/js/src/util.js
index f4a584125fe7..060a2235de1d 100644
--- a/js/src/util.js
+++ b/js/src/util.js
@@ -116,7 +116,7 @@ const Util = (($) => {
     },
 
     reflow(element) {
-      new Function('bs', 'return bs')(element.offsetHeight)
+      return element.offsetHeight
     },
 
     triggerTransitionEnd(element) {