December 2013
Intermediate to advanced
752 pages
16h
Chinese
Content preview from MOBILE WEB程式設計--第二版
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瀏覽器與 Web 平台
|
69
內建的瀏覽器
現在幾乎市面上每一台行動設備都有內建瀏覽器。這些瀏覽器的特別之處在於，通常一
般的使用者都不會安裝新的 Web 瀏覽器，所以每一台設備的內建瀏覽器通常都會是使用
者最常使用的一款。這種瀏覽器的主要缺點在於它們通常無法獨立更新，必須更新整個
作業系統才可以，如果你的設備沒有更新作業系統，通常無法更新瀏覽器。
iOS safari
Safari 是一種與 iOS 綁在一起的 WebKit 瀏覽器，它提供了卓越的瀏覽體驗及智慧縮放
功能。它會隨著作業系統的改版而更新並添加新功能，可讓我們開發者創建更佳的使用
者體驗。
iOS 的 Safari（之前稱為 Mobile Safari）是第一種支援多種新功能的行動瀏覽器，我們
可以透過 HTML、JavaScript 與 CSS 來製作動畫、轉場、3D 效果，以及類似 Flash 的體
驗（但是不包含 Flash，如同我們所瞭解的 HTML5）。我們將會在第七、十一、十二章
討論這些主題。
提到 HTML5 API 相容性、效能，及分布，多年來 iOS 的 Safari 一直是獨
占鰲頭的行動瀏覽器。在 2012 年 9 月，它在平板電腦的網頁瀏覽市場取
得超過 90% 市占率。
這個瀏覽器著重於觸控及多點觸控導覽。如果使用者接上外接式鍵盤的話，它也可以支援
聚焦導覽；它也是第一種支援協助功能的瀏覽器，例如可協助視障人士的螢幕閱讀器。
HTML5 API 的首發實作成品大都現身於 iOS 的 Safari，甚至本書稍後可見的非標準程式 ...
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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.