Only change onbeforeunload when that option is set

8 years ago · eddf8764dd
1 changed files with 2 additions and 4 deletions
--- a/src/editor/model/Editor.js
+++ b/src/editor/model/Editor.js
@ -137,10 +137,8 @@ module.exports = Backbone.Model.extend({
    const stm = this.get('StorageManager');
    const changes = this.get('changesCount');
-    if (this.config.noticeOnUnload && changes) {
+    if (this.config.noticeOnUnload) {
-      window.onbeforeunload = e => 1;
+      window.onbeforeunload = changes ? e => 1 : null;
    } else {
      window.onbeforeunload = null;
    }
    if (stm.isAutosave() && changes >= stm.getStepsBeforeSave()) {