From 94d23b01f07d0871794b6724f98453bb013934d2 Mon Sep 17 00:00:00 2001
From: weru <fromweru@gmail.com>
Date: Mon, 22 Feb 2021 22:23:17 +0000
Subject: [PATCH] add helper

---
 assets/js/index.js |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/assets/js/index.js b/assets/js/index.js
index 434c1b9..c67a309 100644
--- a/assets/js/index.js
+++ b/assets/js/index.js
@@ -46,6 +46,19 @@
   }
 })();
 
+function featureHeading(){
+  // show active heading at top.
+  const parent = elem(".aside");
+  let activeHeading = elem(".section_link.active");
+  activeHeading = activeHeading ? activeHeading : elem(".section_title.active");
+  console.log(parent.offsetTop, parent.children[0].offsetTop, activeHeading.offsetTop);
+  parent.scroll({
+    top: activeHeading.offsetTop,
+    left: 0,
+    // behavior: 'smooth'
+  });
+}
+
 function activeHeading(position, listLinks) {
   let active = 'active';
 
@@ -66,6 +79,10 @@
   }
 };
 
+setTimeout(() => {
+  featureHeading();
+}, 50);
+
 function loadActions() {
   (function updateDate() {
     const date = new Date();

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