- Проверяем подключение скриптов

frontend/assets/AppAsset.php

@@ -21,6 +21,22 @@ class AppAsset extends AssetBundle
         // 'css/site.css',
     ];
     public $js = [
+        '/js/modernizr.min.js',
+        '/js/libs/bootstrap/js/bootstrap.js',
+        '/js/libs/waypoints/waypoints.min.js',
+        '/js/libs/magnific/jquery.magnific-popup.min.js',
+        '/js/libs/bxslider/jquery.bxslider.min.js',
+        '/js/jquery.parallax.min.js',
+        '/js/parallax.min.js',
+        '/js/wow.min.js',
+        '/js/jquery-validate.min.js',
+        '/js/jquery.PageScroll2id.min.js',
+        '/js/jquery.maskedinput.min.js',
+        '/js/jquery.maskedinput.min.js',
+        '/js/jquery.form.js',
+        '/js/connect-form.js',
+        '/js/prism.js',
+        '/js/custom.js'
     ];
     public $depends = [
         'yii\web\YiiAsset',