//获取元素与属性值
var user = document.getElementById('username');
var username = user.value;
var pswd1 = document.getElementById('password');
var p1 = pswd1.value;
var pswd2 = document.getElementById('password-2');
var p2 = pswd2.value;
//建立正则表达式
var re1 = /[0-9a-zA-Z\_]{2,11}/ ;
var re1 = /{5,21}/ ;
if(re1.test(user)===true){
if(re2.test(pswd1)===true){
if(re2.test(pswd2)===true){
if(pswd1 === pswd2){
return true;
}
return false;
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是最沙雕的红雷啊
//获取元素与属性值
var user = document.getElementById('username');
var username = user.value;
var pswd1 = document.getElementById('password');
var p1 = pswd1.value;
var pswd2 = document.getElementById('password-2');
var p2 = pswd2.value;
//建立正则表达式
var re1 = /[0-9a-zA-Z\_]{2,11}/ ;
var re1 = /{5,21}/ ;
if(re1.test(user)===true){
if(re2.test(pswd1)===true){
if(re2.test(pswd2)===true){
if(pswd1 === pswd2){
return true;
}
}
}
}
return false;
}