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javascriptexec:领悟javascript中的exec与match方法

题目17：Read the following javascript code: var someText="web2.0 .net2.0"; var pattern=/(\w+)(\d)\.(\d)/g; var outCome_exec=pattern.exec(someText); var outCome_matc=someText.match(pattern); What is outCome_exec[1] and outCome_matc[1]? Choice A: true Choice B: false [阅读全文] [PDF]