From ae704df6bfaf1691e6a1e264c5d2c135003a7f30 Mon Sep 17 00:00:00 2001
From: Piotr Sarnacki <drogus@gmail.com>
Date: Tue, 29 Dec 2015 12:49:47 +0100
Subject: [PATCH] Use el.innerHTML = ''; instead of $(el).empty()

It turns out that jQuery's empty method can be really slow in Firefox,
which can freeze the browser when cleaning the log.
---
 app/components/log-content.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/app/components/log-content.js b/app/components/log-content.js
index 14110bc4..367a7e1c 100644
--- a/app/components/log-content.js
+++ b/app/components/log-content.js
@@ -90,8 +90,8 @@ export default Ember.Component.extend({
       if ((ref = this.lineSelector) != null) {
         ref.willDestroy();
       }
-      if (logElement = this.$('#log')) {
-        return logElement.empty();
+      if (logElement = this.$('#log')[0]) {
+        logElement.innerHTML = '';
       }
     }
   },
@@ -99,8 +99,8 @@ export default Ember.Component.extend({
   createEngine(log) {
     var logElement;
     if (log || (log = this.get('log'))) {
-      if (logElement = this.$('#log')) {
-        logElement.empty();
+      if (logElement = this.$('#log')[0]) {
+        logElement.innerHTML = '';
       }
       log.onClear(() => {
         this.teardownLog();