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作业

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小船大帆

#1 Created at ... [Delete] [Delete and Lock User]
在此插入代码
var username = document.getElementById('username').value;
    var pwd1 = document.getElementById('password').value;
    var pwd2 = document.getElementById('password-2').value;
    var re1 = /^\w{3,10}$/;
    var re2 = /^.{6,20}$/;
    if ( re1.test(username) === false) {
        alert("用户名长度须为3-10位字母或数字");
        return false;
    }else if( re2.test(pwd1) === false){
        alert("口令长度须为6-20位");
     return false;
    }else if(pwd1 !== pwd2){
     alert("口令不一致");
        return false;
    }else{
        return true;
    }

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