Improve `footnote`

app/javascript/packs/application.js

@@ -42,6 +42,22 @@ $(document).on("ready turbolinks:load", function () {
   if ($.fn.footnotes) {
     $('#documentTabContent').footnotes()
   }
+
+  $(document).on('click', 'a[href="#footnotes"]', function(event){
+    $(this).each(function(){
+      var a, b, c, d;
+      a = $(this), b = a.attr('href'), c = a.text(), d = '#footnote' + c
+      a.attr('href', d), a.attr('id', 'fn' + c)
+      a.trigger('click')
+    })
+    event.preventDefault();
+  }).on('click', 'a[href^="#footnote"], a[href^="#fn"]', function(event){
+    var a, b;
+    a = $(this), b = $(a.attr('href'))
+    if(b.length<=0)return
+    event.preventDefault()
+    $('html, body, .tab-content').animate({ scrollTop: b.offset().top }, 700, 'linear')
+  })
 });
 
 import "channels"

app/javascript/packs/application/footnotes.js

@@ -9,7 +9,6 @@
 
     b.each(function(){
       var $this = $(this);
-      console.log($this)
       if($this.anchor_check()){
         if(!$this.parent('span.footnote-x').length){
           // Wrap the anchor with 'footnote-x'