fixed #8715

1 files changed, 5 insertions, 6 deletions

diff --git a/assets/js/application.js b/assets/js/application.js
index bff00fc33..54f9455f7 100644
--- a/assets/js/application.js
+++ b/assets/js/application.js
@@ -7,10 +7,11 @@
   $(function(){
 
     var $window = $(window)
+    var $body   = $(document.body)
 
     var navHeight = $('.navbar').outerHeight(true) + 10
 
-    $(document.body).scrollspy({
+    $body.scrollspy({
       target: '.bs-sidebar',
       offset: navHeight
     })
@@ -19,14 +20,12 @@
       e.preventDefault()
     })
 
-    $(document.body).on('click', '.bs-sidenav [href^=#]', function (e) {
+    $body.on('click', '.bs-sidenav [href^=#]', function (e) {
       var $target = $(this.getAttribute('href'))
 
-      // e.preventDefault() // prevent browser scroll
+      e.preventDefault() // prevent browser scroll
 
-      document.body.scrollTop =
-        $target.offset().top -
-        navHeight + 5 // offset scroll by nav
+      $window.scrollTop($target.offset().top - navHeight + 5)
     })
 
     // back to top