jsdom是WHATWGDOM和HTML标准的JavaScript实现，主要用于io.js框架。示例代码：// Count all of the links from the io.js build page
var jsdom = require("jsdom");
jsdom.env(
"https://iojs.org/dist/",
["http://code.jquery.com/jquery.js"],
function (errors, window) {
console.log("there have been", window.$("
