user = document.getElementById('username').value; pass = document.getElementById('password').value; repass = document.getElementById('password-2').value; user_re = /^[a-zA-Z0-9]{3,10}$/; pass_re = /^*{6,20}$/; if( pass == repass && user_re.test(user) && pass_re.test(pass)) { return true; } return false;
同问
应该是前面HTML代码中写了target="_blank",提交成功就会新开网页
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风雾15151