showErrMsg('');
var yhm = document.getElementById('username').value;
var mm = document.getElementById('password').value;
var cfmm = document.getElementById('password-2').value;
var regYhm = /[A-Za-z0-9]{3,10}/;
if(!regYhm.test(yhm)){
showErrMsg('用户名必须是3-10位英文字母或数字');
return false;
}
if(mm.length>20||mm.length<6){
showErrMsg('口令必须是6-20位');
if(mm.value!=cfmm.value){
showErrMsg('两次输入口令必须一致');
return true;
var showErrMsg = function(msg){
var err = document.getElementById('test-error');
err.innerText = msg;
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好耶
showErrMsg('');
var yhm = document.getElementById('username').value;
var mm = document.getElementById('password').value;
var cfmm = document.getElementById('password-2').value;
var regYhm = /[A-Za-z0-9]{3,10}/;
if(!regYhm.test(yhm)){
showErrMsg('用户名必须是3-10位英文字母或数字');
return false;
}
if(mm.length>20||mm.length<6){
showErrMsg('口令必须是6-20位');
return false;
}
if(mm.value!=cfmm.value){
showErrMsg('两次输入口令必须一致');
return false;
}
return true;
}
var showErrMsg = function(msg){
var err = document.getElementById('test-error');
err.innerText = msg;
}