<Script>
function checkPw() {
fm = document.form1;
if (fm.pw2.value != fm.pw1.value) {
alert("密码不符,请重新输入");
document.form1.pw2.select();
}
else
alert("谢谢你,"+fm.name.value);
}
</Script>
<BODY onLoad=document.form1.name.focus()>
<FORM NAME="form1">
姓 名:<INPUT TYPE="text" NAME="name"><BR>
输入密码:<INPUT TYPE="password" NAME="pw1"><BR>
重新输入:<INPUT TYPE="password" NAME="pw2"><BR>
<INPUT TYPE="button" VALUE="填好了" onClick=checkPw()>
<INPUT TYPE="reset" VALUE="重 填">
</FORM>
</BODY>
<Script>
function isInt(elm) {
if (isNaN(elm)) {
alert("你输入的是" + elm + "\n不是数字!");
document.forms[0].pw.value = "";
return false;
}
if (elm.length != 4) {
alert("请输入四位数数字!");
document.forms[0].pw.value = "";
return false;
}
}
</Script>
<form action="test.asp"
onSubmit="return isInt(this.pw.value)">
请输入四位数数字密码:<BR>
<input type="password" name="pw">
<input type="submit" value="检查">
</form>