John Resig - ECMAScript 5 Strict Mode, JSON, and More http://ejohn.org/blog/ecmascript-5-strict-mode-json-and-more/
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>Additionally, attempts to introduce new variables through an eval will be blocked.
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amachangの高速化の手法が使えなくなるね。
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var _d = document;
eval("var document = _d;");
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のパターンの奴。まあ、strict modeを使わなければいいだけの話だが。
>Access to arguments.caller and arguments.callee now throw an exception. Thus any anonymous functions that you want to reference will need to be named, like so:
な、なんだって！
