January 2013
Intermediate to advanced
332 pages
5h 23m
Chinese
Content preview from JAVASCRIPT網頁應用程式設計
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即時網頁（Real-time web）
|
125
• PHP
—php-Websocket（
https://github.com/nicokaiser/php-websocket
）
• Java
—Jetty（
http://www.eclipse.org/jetty
）
• Google Go
—native（
http://code.google.com/p/go
）
Node.js 和 Socket.IO
Node.js（
http://nodejs.org
）是目前最新、但也最有趣的一項新技術。Node.js 是一套
Evented JavaScript 伺服器，由於它搭載的是 Google 的 V8 JavaScript 引擎（
http://code.
google.com/p/v8
），因此它的運作速度非常快，很適合用來架設擁有大量用戶端連線的伺
服器（像是 WebSocket 伺服器）。
Socket.IO（
http://socket.io
）是一套 Node.js 函式庫，主要用於支援 WebSocket 傳輸技
術。但它目前所提供的功能遠超過此。摘錄一段 Socket.IO 自家網站的吹捧廣告文：
Socket.IO
的目標，是讓即時互動的應用程式，可運作於所有瀏覽器，甚至
是所有行動式裝置上。讓人幾乎感受不出各種不同的傳輸機制間的差異。
Socket.IO 會先試探用戶端是否支援 WebSocket，如果發現用戶端不支援 WebSocket，就
會改用其他的傳輸方式。它支援的傳輸方式非常多，而且相容的瀏覽器也非常多。 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.