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作业

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_wsdzl

#1 Created at ... [Delete] [Delete and Lock User] 
    var un = documrnt.getElementById('username');
    var pw = documrnt.getElementById('password');
    var rpw = documrnt.getElementById('password-2');
    return /^[a-zA-Z0-9]{3,10}$/.test(un.value) && pw.value===rpw.value && pw.value.length>=3 && pw.value.length<=10
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