Download - HTML2.0 - digg - OSC2007-fall
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HTML 2.0 – 古くて新しいブラウザ判別手法
HTML 2.0 – 古くて新しいブラウザ判別手法
サイボウズ・ラボ株式会社
竹迫 良範
id:TAKESAKO
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いま、世界中で
大ブーム
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HTML2.0
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突然ですが、 HTML 2.0 Quiz の時間です。突然ですが、 HTML 2.0 Quiz の時間です。
<img src="1.gif" src="2.gif">表示される画像は?
(1) 1.gif が表示される (2) 2.gif が表示される (3) ブラウザによって異なる
Answers.
【問題】
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ブラウザのバグ(仕様)
を利用して、ブラウザ判定できる?
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【問題2】【問題2】
<img "src = "1.gif" /src = "2.gif" src\x0c = "3.gif"/>
(1) 1.gif が表示される (2) 2.gif が表示される (3) 3.gif が表示される
Answers.
→ firefox, Safari→ IE ※ 各ブラウザで異なる→ Opera
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応用問題
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print<<EOF;<img /src\x00="ie.gif" /''src\x00="firefox1_5.gif" /''src="firefox2_0.gif" /""src="gecko_others.gif" "s\x00rc="safari2.gif" "src="safari3.gif" ""src="konqueror.gif" src\x00="w3m.gif" src\x0c="opera.gif" src="others.gif" src="lynx.gif"/>EOF
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http://wafful.org
Demo
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Konqueror や Safari2 の判定もできるよ
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JavaScript/CSSを使わない
ブラウザ判別
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lynx でブラウズした結果
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w3m でブラウズした結果
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Mozilla/5.0 (PLAYSTATION 3; 1.00)
others.gif 昨日のアクセスログより判明
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http://digg.com
digg
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921 diggs + 141 Comments (現在)
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digg は大変なアクセスを
残していきました
digg は大変なアクセスを
残していきました
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digg のトップページに掲載( 10/4 )
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before
after
国別アクセス( IP アドレス)ランキング
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世界中から Nice な Comments が
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どう見ても、
本当にありがとうございました(ry
日本人です
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ロシア語の紹介記事
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中国語(台湾)の記事
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スペイン語の紹介記事
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これもスペイン語
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apblog.lv (国名:ラトビア) → ラトビア語?
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farhadi.ir (国名:イラン)ペルシア語
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逆輸入
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以上続きは Web で
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33http://wafful.org/http://wafful.org/
ご清聴ありがとうございましたご清聴ありがとうございました