software/js-drone: fix latency in log displaying

software/js-drone/buildout.hash.cfg

@@ -38,7 +38,7 @@ md5sum = 1555496ad591a31a845f33488d5c335d
 
 [script-js]
 _update_hash_filename_ = web-gui/script.js.jinja2
-md5sum = dfa140d70d8a9cadc6cee865be4e8c26
+md5sum = 24ed6ce534feab8bbb93f06246275e89
 
 [worker]
 _update_hash_filename_ = drone-scripts/worker.js.jinja2

software/js-drone/web-gui/script.js.jinja2

@@ -133,9 +133,13 @@
       }
 
       if (prompt.children.length === PROMPT_MAX_MSG) {
-        prompt.removeChild(prompt.firstElementChild);
+        setTimeout(function() {
+          prompt.removeChild(prompt.firstElementChild);
+        }, 0);
       }
-      prompt.appendChild(new_div);
+      setTimeout(function() {
+        prompt.appendChild(new_div);
+      }, 0);
     } else {
       console.info(message);
     }