From d700f05c90ec35c7743b714e566fc6a30db2de99 Mon Sep 17 00:00:00 2001
From: Amie Chen <chinghc@gmail.com>
Date: Mon, 15 Jan 2018 09:46:09 -0800
Subject: [PATCH] improve the code of the smoothscrolling on the doc page

---
 scribbler.js | 26 +++++---------------------
 1 file changed, 5 insertions(+), 21 deletions(-)

diff --git a/scribbler.js b/scribbler.js
index 3673ade..ce9c32b 100755
--- a/scribbler.js
+++ b/scribbler.js
@@ -81,7 +81,8 @@ function setActiveLink(event) {
   event.target.classList.add('selected');
 }
 
-function smoothScrollTo(element, event) {
+function smoothScrollTo(i, event) {
+  var element = sections[i];
   setActiveLink(event);
 
   window.scrollTo({
@@ -92,26 +93,9 @@ function smoothScrollTo(element, event) {
 }
 
 if (btns.length && sections.length > 0) {
-// for (var i = 0; i<btns.length; i++) {
-//   btns[i].addEventListener('click', function(event) {
-//     smoothScrollTo(sections[i], event);
-//   });
-// }
-  btns[0].addEventListener('click', function (event) {
-    smoothScrollTo(sections[0], event);
-  });
-
-  btns[1].addEventListener('click', function (event) {
-    smoothScrollTo(sections[1], event);
-  });
-
-  btns[2].addEventListener('click', function (event) {
-    smoothScrollTo(sections[2], event);
-  });
-
-  btns[3].addEventListener('click', function (event) {
-    smoothScrollTo(sections[3], event);
-  });
+  for (var i = 0; i<btns.length; i++) {
+    btns[i].addEventListener('click', smoothScrollTo.bind(this,i));
+  }
 }
 
 // fix menu to page-top once user starts scrolling