var form = document.getElementById('test-register'); form.setAttribute('onsubmit', 'return checkRegisterForm()'); var name = document.getElementById('username'); var pwd1 = document.getElementById('password'); var pwd2 = document.getElementById('password-2'); var re_name = /^\w{3,10}$/; if(!re_name.test(name.value)) { alert('用户名必须是3-10位英文字母或数字;'); return false; } var re_pwd = /^.{6,20}$/; if(!re_pwd.test(pwd1.value) || !re_pwd.test(pwd2.value) ) { alert("口令必须是6-20位;"); return false; } if(pwd1.value != pwd2.value) { alert('两次输入口令必须一致。'); return false; }
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