js verifies password strength on the client, compatible with FireFox and IE_javascript tips

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You can also change it to this ……

<input id="txt" onblur="ck(this.value)"> Password: <label id="n"></label>
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If you need to introduce external Js, you need to refresh to execute
]

google effect<form name="form1" action=""> <input type="password" size="10" onkeyup="pwStrength(this.value)" onblur="pwStrength(this.value)"> <table width="217" border="1" cellspacing="0" cellpadding="1" bordercolor="#cccccc" height="23" style="display:inline"> <tr align="center" bgcolor="#eeeeee"> <td width="33%" id="strength_L">弱</td> <td width="33%" id="strength_M">中</td> <td width="33%" id="strength_H">强</td> </tr> </table> </form> Enter password: Password strength:

[Ctrl A select all Note: If you need to introduce external Js, you need to refresh to execute ]<script> function ck(t){ n.innerText=/(?:^(w)1{0,8}$)|^(?:(0?1?2?3?4?5?6?7?8?9?0?)2?$)|^w{0,6}$/i.test(t)?'太简单了':'还行吧'; } </script>