更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/underscore/modules/delay.js

@@ -0,0 +1,9 @@
+import restArguments from './restArguments.js';
+
+// Delays a function for the given number of milliseconds, and then calls
+// it with the arguments supplied.
+export default restArguments(function(func, wait, args) {
+  return setTimeout(function() {
+    return func.apply(null, args);
+  }, wait);
+});