Minimalistic working pure-JS back to top.

Bernardo Sulzbach · Bernardo Sulzbach · commit 4e483694c09a · 2015-08-18T16:30:39.000-03:00
Removed some crap.
diff --git a/_layouts/default.html b/_layouts/default.html
@@ -3,17 +3,14 @@
 
   {% include head.html %}
 
- <!--  <body data-spy="scroll" data-target="#myAffix"> -->
   <body>
 
     {% include header.html %}
 
-
     <div id="main" class="container main">
       {{ content }}
     </div>
 
-
     <div id="top" data-toggle="tooltip" data-placement="left" title="Go to Top">
       <a href="javascript:;">
         <div class="arrow"></div>
diff --git a/static/js/index.js b/static/js/index.js
@@ -103,32 +103,19 @@ function categoryAndTagDisplay() {
     });
 }
 
-/**
- * 回到顶部
- */
 function backToTop() {
-    //滚页面才显示返回顶部
     $(window).scroll(function() {
         if ($(window).scrollTop() > 100) {
             $("#top").fadeIn(500);
         } else {
             $("#top").fadeOut(500);
         }
     });
-    //点击回到顶部
     $("#top").click(function() {
-        $("body").animate({
-            scrollTop: "0"
-        }, 500);
-    });
-
-    //初始化tip
-    $(function() {
-        $('[data-toggle="tooltip"]').tooltip();
+        window.scrollTo(0, 0);
     });
 }
 
-
 /**
  * 侧边目录
  */
