Pourquoi ca descend pas ?

Flask/templates/dev.html

@@ -15,11 +15,14 @@
             return new Promise(resolve => setTimeout(resolve, ms));
         }
         var myIframe = document.getElementById('iframe');
+
         myIframe.addEventListener("load", async () => {
             let doc = myIframe.contentDocument;
+            console.log(1);
             doc.body.innerHTML = doc.body.innerHTML + '<style>html{color:white;}</style>';
             myIframe.contentWindow.scrollTo(0, myIframe.contentDocument.body.scrollHeight);
-            await delay(1000);
+            console.log(2);
+            await delay(2000);
             document.getElementById('iframe').contentWindow.location.reload();
         });
     </script>

version

@@ -1 +1 @@
-v6.6.14
+v6.6.15