August 2017
Intermediate to advanced
272 pages
5h 32m
Chinese
Content preview from Node.js物聯網裝置開發
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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.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.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.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.
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第一章 連接世界
JavaScript 執行環境
JavaScript 可在多種環境裡執行，就本書而言，我們感興趣的執行環境有三個：網頁瀏
覽器、網頁應用程式伺服器、嵌入式裝置。底下首先介紹瀏覽器，這也是許多軟體開發
人員第一次接觸 JavaScript 的地方。
瀏覽器
JavaScript 起源於網頁瀏覽器，若你未曾在網頁瀏覽器的環境裡開發過程式，請看一看
圖 1-7。
圖 1-7 在瀏覽器裡玩弄 JavaScript 程式
大部分的瀏覽器，都能在瀏覽網頁時，點按滑鼠右鍵、選擇適當的選項，便可檢視網
頁，你應可找到開發人員主控台，在裡頭可試著輸入先前小節的 JavaScript 程式述句。
若這對你來說甚感陌生，我建議讀者可試試 JavaScript for Cats（
http://jsforcats.com
）上
面的練習題，由 Max Ogden 設立，包括簡短的 JavaScript 工作坊課程。
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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.