var username = document.getElementById('username');
var pwd = document.getElementById('password');
var pwd2 = document.getElementById('password-2');
var re_username = /\w{3,10}/;
var re_pwd = /\w{6,20}/;
if (! re_username.test(username.value)) {
console.log('用户名必须是3-10位英文字母或数字');
return false;
} else if (! re_pwd.test(pwd.value)) {
console.log('口令必须是6-20位英文字母或数字');
} else if (pwd.value !== pwd2.value) {
console.log('两次录入的口令不一致');
} else {
return true;
}
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Mason
var username = document.getElementById('username');
var pwd = document.getElementById('password');
var pwd2 = document.getElementById('password-2');
var re_username = /\w{3,10}/;
var re_pwd = /\w{6,20}/;
if (! re_username.test(username.value)) {
console.log('用户名必须是3-10位英文字母或数字');
return false;
} else if (! re_pwd.test(pwd.value)) {
console.log('口令必须是6-20位英文字母或数字');
return false;
} else if (pwd.value !== pwd2.value) {
console.log('两次录入的口令不一致');
return false;
} else {
return true;
}