Modify code organization

cmdb-ui/src/utils/domUtil.js

@@ -0,0 +1,19 @@
+export const setDocumentTitle = function (title) {
+  document.title = title
+  const ua = navigator.userAgent
+  // eslint-disable-next-line
+  const regex = /\bMicroMessenger\/([\d\.]+)/
+  if (regex.test(ua) && /ip(hone|od|ad)/i.test(ua)) {
+    const i = document.createElement('iframe')
+    i.src = '/favicon.ico'
+    i.style.display = 'none'
+    i.onload = function () {
+      setTimeout(function () {
+        i.remove()
+      }, 9)
+    }
+    document.body.appendChild(i)
+  }
+}
+
+export const domTitle = 'CMDB'