Chat: Fix rendering performance using DocumentFragments.

2015-05-27 07:38:28 +02:00
parent a09af4b1fa
commit 413af6ca2c
1 changed files with 3 additions and 1 deletions
--- a/Scrummer/Scripts/10.
+++ b/Scrummer/Scripts/10.
@@ -32,15 +32,17 @@
            recvMsgs = JSON.parse(responseText);
            if (recvMsgs) {
                var idMessage = parseInt(hidIDMessage.value);
+                var frag = document.createDocumentFragment();
                for (var i = 0, n = recvMsgs.length; i < n; i++) {
                    var msg = recvMsgs[i];
                    if (idMessage < msg.IDMessage) {
                        hidIDMessage.value = msg.IDMessage;
                        idMessage = msg.IDMessage;
                        var elemMessage = CreateMessageDOM(msg);
-                        divContainer.appendChild(elemMessage);
+                        frag.appendChild(elemMessage);
                    }
                }
+                divContainer.appendChild(frag);
                divContainer.scrollTop = divContainer.scrollHeight;
            }