June 2014
Intermediate to advanced
488 pages
9h 56m
Chinese
Content preview from MOBILE HTML5學習手冊
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HTML5 Web 表單
|
129
圖 4-15 Firefox OS 與 Chrome for Android 的
<progress>
元素
<keygen>
自動封閉的
<keygen>
提供了金鑰∕配對產生器∕輸入控制項。用戶端程式開發人員可用
它來授權協定。
<keygen>
元素會顯示一個控制項，來產生一對公用∕私用的金鑰配對，
並且提交其中的公用金鑰。
<keygen>
可接受
challenge
、
keytype
、
autofocus
、
name
、
disabled
與
form
等屬性，
keytype
的值是
rsa
，而
challenge
屬性值是一個詢問字串，會
連同公用金鑰一起被提交至伺服器。Opera、WebKit 與 Firefox 都支援這個元素，它們
會將它算繪為一個產生加密金鑰的選單，但是會提供不同的選項。
線上章節資源有一個範例可供參考。
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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.