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[·­Òë]High Performance JavaScript(006)

Identifier Resolution Performance  ±êʶ·ûʶ±ðÐÔÄÜ
    Identifier resolution isn't free, as in fact no computer operation really is without some sort of performance overhead. The deeper into the execution context's scope chain an identifier exists, the slower it is to access for ......

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var rs= Serve ......
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