更新前端静态网页获取方式，放弃使用后端获取api

frontend/node_modules/es-abstract/2020/Number/lessThan.js

@@ -0,0 +1,22 @@
+'use strict';
+
+var $TypeError = require('es-errors/type');
+
+var isNaN = require('../../helpers/isNaN');
+
+// https://262.ecma-international.org/11.0/#sec-numeric-types-number-lessThan
+
+module.exports = function NumberLessThan(x, y) {
+	if (typeof x !== 'number' || typeof y !== 'number') {
+		throw new $TypeError('Assertion failed: `x` and `y` arguments must be Numbers');
+	}
+
+	// If x is NaN, return undefined.
+	// If y is NaN, return undefined.
+	if (isNaN(x) || isNaN(y)) {
+		return void undefined;
+	}
+
+	// shortcut for the actual spec mechanics
+	return x < y;
+};