Force reflow for fade-in animation (#29113)

diff --git a/js/src/toast.js b/js/src/toast.js
index fd023e7021dcf4cd9d5b6f9caa495232b1f2e473..ff375846aa8250c42182b723812b6d47388f698b 100644 (file)
--- a/js/src/toast.js
+++ b/js/src/toast.js
@@ -107,6 +107,7 @@ class Toast {
     }
 
     this._element.classList.remove(ClassName.HIDE)
+    Util.reflow(this._element)
     this._element.classList.add(ClassName.SHOWING)
     if (this._config.animation) {
       const transitionDuration = Util.getTransitionDurationFromElement(this._element)