no-animation fix if #app is not found (#2262)

* no-animation fix if #app is not found * Update App.html Co-authored-by: Stanley Hsu <ching.hsiang.hsu@sap.com>
SAP · Sep 9, 2021 · cb9884e · cb9884e
1 parent a7fca72
commit cb9884e
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/core/src/App.html b/core/src/App.html
@@ -417,7 +417,10 @@
               if (hideSideNav != obj.hideSideNav) {
                 noAnimation = true;
                 setTimeout(() => {
-                  document.querySelector('#app').classList.remove('no-animation');
+                  const appNode = document.querySelector('#app');
+                  if(appNode) {
+                    appNode.classList.remove('no-animation');
+                  }
                 });
               }
               hideSideNav = obj.hideSideNav;