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有问题想请教,总的提示我不被允许

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小菲-12

#1 Created at ... [Delete] [Delete and Lock User]

廖老师;

var s=("hello,word"); var v=s.substring(7); alert(v);//我得到的是ord;

廖雪峰

#2 Created at ... [Delete] [Delete and Lock User]

你的问题是什么?

小菲-12

#3 Created at ... [Delete] [Delete and Lock User]

哇塞,老师你居然在线也。哦我发现你那里有空格,是我看错了。谢谢老师!!!


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