updated 添加新模块介绍

static/script/index.js

@@ -9,6 +9,29 @@
     });
 })();
 
+// 特征选项卡
+(function(){
+    let $mod_feature = document.querySelector('.mod-feature');
+    let $nav = $mod_feature.querySelectorAll('.nav li');
+    let $panels = $mod_feature.querySelectorAll('.panels .panel');
+    let togglePanel = function(index = 0){
+        $nav.forEach(function($li){
+            $li.classList.remove('active');
+        });
+        $nav[index].classList.add('active');
+        $panels.forEach(function($panel){
+            $panel.classList.remove('active');
+        });
+        $panels[index].classList.add('active');
+    };
+    $nav.forEach(function($item,index){
+        $item.addEventListener('click',function(){
+            togglePanel(index);
+        });
+    });
+    togglePanel(0);
+})();
+
 // 底部滚动
 (function(){
     let $gotop = document.querySelector('.mod-fixedbar .gotop');