<html><head>
</head><body><form method="POST" action="" onsubmit="if(t1.value.length<6){alert('请输入的密码大于6位')}"> <p><input type="password" name="t1" size="20"><input type="submit" value="提交" name="B1"></p>
</form></body></html>
</head><body><form method="POST" action="" onsubmit="if(t1.value.length<6){alert('请输入的密码大于6位')}"> <p><input type="password" name="t1" size="20"><input type="submit" value="提交" name="B1"></p>
</form></body></html>
解决方案 »
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