From 3d89eed31a2303bfbfc9bfd4351d3dd7568ebf6d Mon Sep 17 00:00:00 2001
From: John McLear <john@mclear.co.uk>
Date: Mon, 20 Jul 2020 09:49:40 +0100
Subject: [PATCH] tests: Further scroll fix for bug in Chrome 55-59 with
 scrollTo not working (#4185)

---
 src/static/js/broadcast.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/static/js/broadcast.js b/src/static/js/broadcast.js
index 4b7d02127..dfcee88ce 100644
--- a/src/static/js/broadcast.js
+++ b/src/static/js/broadcast.js
@@ -596,7 +596,13 @@ function loadBroadcastJS(socket, sendSocketMsg, fireWhenAllScriptsAreLoaded, Bro
     var line = $('#innerdocbody').find("div:nth-child("+(lineNumber+1)+")");
     var newY = $(line)[0].offsetTop;
     var ecb = document.getElementById('editorcontainerbox');
-    ecb.scrollTo({top: newY, behavior: 'smooth'});
+    // Cjrome 55 - 59 bugfix
+    if(ecb.scrollTo){
+      ecb.scrollTo({top: newY, behavior: 'smooth'});
+    }else{
+      // note the p..
+      ecb.scrollTop(newY);
+    }
   }
 }