【转载】AS中变量读写速度
http://blogs.adobe.com/aharui/2007/10/actionscript_readwrite_perform_1.html【结论概要】
读取：
封闭类中的变量200000次，耗时20ms ；
Reading From Dynamic Object: 40 ；
Reading From Proxy: 350
Reading From Sealed Classes via Getters:38
Reading XML Attributes: 550
Reading XML Sub-Node: 750
写入：
Writing To Sealed Class Variables: 450
Writing To Sealed Class Setters:930
Writing to Bindable Sealed Class: 1030
Writing to Dynamic Object: 500
Writing to Proxy: 830
Writing to XML Attributes: 580
Writing to XML Sub-Nodes: 950
Writing to XML Attributes That Have Binding: 7700
Writing to XML Sub-Nodes That Have Binding: 8900
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