Node.js? Chrome JavaScript ???? ???? ??? ??????.

Node.js? Google? V8 ??? ???? ?? ??? ?? I/O ?? ? JavaScript ?????. V8 ??? Javascript? ?? ??? ???? ??? ?? ????.

Node.js ??? ??? ???

Node.js? ?? ??? I/O ??? ???? ??? ?? ???? ????.

Node.js? ?? ??? ???? ?????. net.Server ??? ??? ??? ?? ??? ???? ????, fs.readStream ??? ??? ?? ? ???? ?????. ??? ??? ?? ??? ?? events.EventEmitter? ???????.

Node.js ??? ??? ?

//event.js ??

var EventEmitter = require('events').EventEmitter; 
var event = new EventEmitter(); 
event.on('some_event', function() {     console.log('some_event 事件觸發(fā)'); }); 
setTimeout(function() {     event.emit('some_event'); }, 1000);