navbar 随点击切换颜色

main.js

@@ -15,6 +15,12 @@ document.body.appendChild(header.flex({ justifyContent: 'space-between', alignIt
         link.style.padding = '.5rem'
         link.style.borderRadius = '.25rem'
         link.style.color = (item.path === window.location.pathname) ? '#00C16A' : '#333'
+        link.onclick = (event) => {
+            event.preventDefault()
+            window.history.pushState({}, '', event.target.href)
+            Array.from(event.target.parentElement.children).forEach(x => x.style.color = '#333')
+            event.target.style.color = '#00C16A'
+        }
         return link
     })),
     div.text('sign'),