マークアップでもJavaScript書くときも、 スタイリッシュにIE用の処理を切り替える方法を紹介します。 まずHTML側のbodyタグを以下のようにします。 <!--[if IE 6]><body class="ie6 lteie7 lteie8 ie"><![endif]--> <!--[if IE 7]><body class="ie7 lteie7 lteie8 ie"><![endif]--> <!--[if IE 8]><body class="ie8 lteie8 ie"><![endif]--> <!--[if IE 9]><body class="ie9 ie"><![endif]--> <!--[if (gt IE 9)|!(IE)]><!--><body><!--<![endif]-->
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