Node.js抓取新浪新闻标题

"use strict";let cheerio = require("cheerio");let http = require("http");let iconv = require("iconv-lite");let mainUrl = "http://news.sina.com.cn/world/";http.get(mainUrl, function(sres) { ???var chunks = []; ???sres.on(‘data‘, function(chunk) { ???????chunks.push(chunk); ???}); ???sres.on(‘end‘, function() { ???????var html = iconv.decode(Buffer.concat(chunks), ‘utf8‘); ???????var $ = cheerio.load(html, {decodeEntities: false}); ???????$(‘.content a‘).each(function (idx,element){ ???????????let ele = $(element); ???????????let title = ele.text(); ???????????title = !!title?title.trim():‘‘; ???????????let url = ele.attr(‘href‘); ???????????url = !!url?url.trim():‘‘; ???????????if(title.length>4 && url.length>0&&url.indexOf(‘javascript‘)===-1){ ???????????????console.log(title+‘|‘+url); ???????????} ???????}) ???});});