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xuefeng
求助：lesson 5，根据您写的async案例我写了一个小爬虫针对cnode的，我怎么才能证明他确实是限制在5个请求上？ ``` # 爬虫代码 var cheerio = require('cheerio'); var superagent = require('superagent'); var url = require('url'); var async = require('async'); var cnodeUrl = 'https://cnodejs.org/'; var topicUrls = []; superagent.get(cnodeUrl)...