// 【函数作为参数】

function say(word) {

console.log(word);

}

function execute(someFunction, value) {

someFunction(value);

}

execute(say, "Hello");

// 【匿名函数】

function execute2(someFunction, value) {

someFunction(value);

}

execute2(function(word){ console.log(word) }, "Hello");

// 【以 http 为例】

// var http = require("http");

// function onRequest(request, response) {

// response.writeHead(200, {"Content-Type": "text/plain"});

// response.write("Hello World");

// response.end();

// }

// http.createServer(onRequest).listen(8888);

var http = require("http");

http.createServer(function(request, response) {

response.writeHead(200, {"Content-Type": "text/plain"});

response.write("Hello World");

response.end();

}).listen(8888);