Node.js入门：HelloWorld

1 console.log('hello, nodejs.') ; 

1 var http = require("http"); 
2 http.createServer(function(request, response) { 
3     response.writeHead(200, {"Content-Type": "text/html"}); 
4     response.write("Hello World!"); 
5     response.end(); 
6 }).listen(8000);