first commit

plugins/browser.js

@@ -0,0 +1,56 @@
+import '~/layouts/common.styl'
+
+const $tags = document.getElementById('tags')
+const floatTop = $tags.offsetTop + $tags.scrollHeight + 30
+
+function addEvent(obj, type, fn) {
+  if (obj.attachEvent) {
+    obj.attachEvent('on' + type, function () {
+      fn.call(obj)
+    })
+  } else {
+    obj.addEventListener(type, fn, false)
+  }
+}
+
+window.addEvent = addEvent
+
+window.onload = function () {
+  if (navigator.appName === 'Microsoft Internet Explorer' && parseInt(navigator.appVersion.split(';')[1].replace(/[ ]/g, '').replace('MSIE', '')) <= 9) {
+    alert('您的浏览器版本过低，继续访问将会出现问题，请升级浏览器版本！')
+  }
+
+  // 底部返回顶部按钮
+  const top = document.getElementById('gotop')
+  // 滚动一屏幕时显示回到顶部
+  addEvent(window, 'scroll', function () {
+    const currentPosition = document.documentElement.scrollTop || document.body.scrollTop
+    currentPosition > window.screen.availHeight ? top.style.display = 'block' : top.style.display = 'none'
+
+    // 左部导航自动浮动
+    if (currentPosition > floatTop) {
+      document.getElementById('navication').style.position = 'fixed'
+    } else {
+      document.getElementById('navication').style.position = 'static'
+    }
+  })
+
+  top.onclick = function () {
+    var timer = setInterval(function () { // eslint-disable-line
+      let currentPosition = document.documentElement.scrollTop || document.body.scrollTop
+      currentPosition -= 100
+      if (currentPosition > 0) {
+        window.scrollTo(0, currentPosition)
+      } else {
+        window.scrollTo(0, 0)
+        clearInterval(timer)
+      }
+    }, 10)
+  }
+
+  let _hmt = _hmt || [] // eslint-disable-line
+  const hm = document.createElement('script')
+  hm.src = 'https://hm.baidu.com/hm.js?4c563e5be89b05d4973bbfbb9b8a0aa3'
+  const s = document.getElementsByTagName('script')[0]
+  s.parentNode.insertBefore(hm, s)
+}