Update bottomfloat.js

Author: benhatsor

bottomfloat.js

@@ -120,19 +120,13 @@ if (isMobile) {
   // update on screen resize
 
   bottomWrapper.style.setProperty('--window-height', window.innerHeight + 'px');
-
-  bottomWrapper.lastHeight = 0;
-
-  window.addEventListener('resize', () => {
-
-    if (bottomWrapper.lastHeight === window.innerHeight) {
-      return;
-    }
-
-    bottomWrapper.lastHeight = window.innerHeight;
+  
+  const portrait = window.matchMedia('(orientation: portrait)');
+  
+  portrait.addEventListener('change', (event) => {
 
     bottomWrapper.style.setProperty('--window-height', window.innerHeight + 'px');
-
+    
   });
 
 }