Site updated: 2020-01-19 12:07:37

js/f25.js

@@ -0,0 +1,66 @@
+/**
+ * [删除ClassName]
+ * @param {*} element 
+ * @param {*} className 
+ */
+function removeClassName(element , className){
+    if ( !hasClassName(element , className) ){
+        return element;
+    }
+    element.className = ' ' + element.className.trim() + ' ';
+    element.className =  element.className.replace(' ' + className + ' ' , ' ').trim();
+    return element;
+}
+/**
+ * [添加className]
+ * @param {*} element 
+ * @param {*} className 
+ */
+function addClassName(element , className){
+    if ( hasClassName(element , className) ){
+        return element;
+    }
+    element.className = element.className.trim() + ' ' + className.trim();
+    return element;
+}
+
+/**
+ * [判断是否包含对应的className]
+ * @param {*} element 
+ * @param {*} className 
+ */
+function hasClassName(element , className){
+    if ( (' ' + element.className.trim() + ' ').indexOf(' ' + className.trim() + ' ') >= 0 ){
+        return true;
+    }
+    return false;
+}
+
+/**
+ * [scrollToWindowTop 返回顶部]
+ * @return {[type]} [description]
+ */
+function scrollToWindowTop(){
+    return window.scroll(0,0);
+}
+
+var closeClassName = 'btn-close';
+var showClassName = 'show';
+var headerMenu = document.querySelector('#J_header_menu');
+var headerMenulist = document.querySelector('#J_header_menu_list');
+
+if ( headerMenu && headerMenulist ){
+    //h5菜单栏展示
+    headerMenu.addEventListener('click' , (event)=>{
+        event.preventDefault();
+        event.stopPropagation();
+
+        if ( hasClassName(headerMenu , closeClassName) ){
+            removeClassName(headerMenulist , showClassName);
+            removeClassName(headerMenu , closeClassName);
+        }else{
+            addClassName(headerMenulist , showClassName);
+            addClassName(headerMenu , closeClassName);
+        }
+    });
+}