diff --git a/public/js/close.js b/public/js/close.js
new file mode 100644
index 0000000..e11856b
--- /dev/null
+++ b/public/js/close.js
@@ -0,0 +1 @@
+window.onbeforeunload=function(){return"Do you really want to leave?"};
\ No newline at end of file
diff --git a/public/mix-manifest.json b/public/mix-manifest.json
index 0b7a32e..1dad968 100644
--- a/public/mix-manifest.json
+++ b/public/mix-manifest.json
@@ -1,6 +1,7 @@
 {
     "/js/app.js": "/js/app.js",
     "/js/admin.js": "/js/admin.js",
+    "/js/close.js": "/js/close.js",
     "/css/fontawesome.css": "/css/fontawesome.css",
     "/css/app.css": "/css/app.css",
     "/css/admin.css": "/css/admin.css"
diff --git a/resources/js/close.js b/resources/js/close.js
new file mode 100644
index 0000000..9d163be
--- /dev/null
+++ b/resources/js/close.js
@@ -0,0 +1,3 @@
+window.onbeforeunload = function(){
+    return "Do you really want to leave?";
+};
diff --git a/resources/views/admin/categories/save.blade.php b/resources/views/admin/categories/save.blade.php
index 19f8121..84ee113 100644
--- a/resources/views/admin/categories/save.blade.php
+++ b/resources/views/admin/categories/save.blade.php
@@ -159,3 +159,7 @@
     </div>
 </div>
 @endsection
+
+@push('scripts')
+    <script src="{{ asset('js/close.js') }}"></script>
+@endpush
diff --git a/resources/views/admin/posts/save.blade.php b/resources/views/admin/posts/save.blade.php
index 73d0b08..7ef0d5e 100644
--- a/resources/views/admin/posts/save.blade.php
+++ b/resources/views/admin/posts/save.blade.php
@@ -209,3 +209,7 @@
     </div>
 </div>
 @endsection
+
+@push('scripts')
+    <script src="{{ asset('js/close.js') }}"></script>
+@endpush
diff --git a/webpack.mix.js b/webpack.mix.js
index 8b8143e..8333d91 100644
--- a/webpack.mix.js
+++ b/webpack.mix.js
@@ -14,6 +14,7 @@ const theme = process.env.BLOG_THEME;
 
 mix.js('resources/js/app.js', 'public/js')
     .js('resources/js/admin.js', 'public/js')
+    .js('resources/js/close.js', 'public/js')
     .sass(`resources/sass/admin/admin.scss`, 'public/css')
     .sass(`resources/sass/${theme}/app.scss`, 'public/css');