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/cjs/initial.js

@@ -0,0 +1,10 @@
+var _setup = require('./_setup.js');
+
+// Returns everything but the last entry of the array. Especially useful on
+// the arguments object. Passing **n** will return all the values in
+// the array, excluding the last N.
+function initial(array, n, guard) {
+  return _setup.slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));
+}
+
+module.exports = initial;