一個函數能夠做爲另外一個函數的參數服務器
function fn1(fn,arg){ fn(arg); } function name(n){ console.log("i am "+n); } fn1(name,"cyy");
使用匿名函數函數
function fn1(fn,arg){ fn(arg); } fn1(function(n){ console.log("i am "+n); },"cyy2");
HTTP服務器實例:ui
var http=require("http"); http.createServer(function(request,response){ response.writeHead(200,{"Content-Type":"text/plain"}); response.write("hello http~"); response.end(); }).listen(8888);