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JAVASCRIPT網頁應用程式設計
book

JAVASCRIPT網頁應用程式設計

by Alex MacCaw
January 2013
Intermediate to advanced
332 pages
5h 23m
Chinese
GoTop Information, Inc.
Content preview from JAVASCRIPT網頁應用程式設計
第十二章
Backbone 函式庫
Backbone 是一套非常棒的函式庫,專門用於開發 JavaScript 應用程式。它最優美之處,
在於它的簡潔性;這套函式庫非常輕薄短小、使用起來極富彈性,同時還能涵蓋到所有
必備的基礎功能。這套函式庫所遵循的架構,正是本書一再強調的 MVC 模式。這套函
式庫提供建構優良 MVC 應用程式所需的一切必備組件—模型、控制器,和檢視器。
Backbone 究竟和其他像 SproutCore Cappuccino 之類的函式庫,有什麼不同呢?最大
的不同,應該是在於 Backbone 輕薄短小的本質吧。SproutCore Cappuccino 都提供
了非常豐富的 UI 小工具,以及為數眾多的核心函式庫,它們會為你決定你的 HTML
構。這兩套函式庫打包並經過 Gzip 壓縮後,檔案尺寸大約就有數百 KB,瀏覽器在執
行期實際需要載入的 JavaScript 檔案、CSS 檔案,以及圖檔會有好幾 MB。相較之下,
Backbone 只有 4KB,裡面有的就只是最單純的核心組件:模型、事件、集合物件、檢
視器、控制器,以及資料儲存機制。
Backbone 唯一需要相依的函式庫只有 underscore.js
http://documentcloud.github.com/
underscore
), Underscore 函式庫提供了六十個以上的實用 JavaScript 工具函式。功能包
括:處理陣列、繫結函式、產生 JavaScript 模版、資料的深層比對…等等。花些時間好 ...
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Publisher Resources

ISBN: 9789862766811