<script language="Javascript">
function beforeSubmit()
{
passlength =8 //密码的长度
if (document.all.pass.value.length < passlength)
{
alert("请把密码填写完整!");
return false;
}
}
</script>
<input type=password name=pass>
在提交之前执行beforeSubmit()
function beforeSubmit()
{
passlength =8 //密码的长度
if (document.all.pass.value.length < passlength)
{
alert("请把密码填写完整!");
return false;
}
}
</script>
<input type=password name=pass>
在提交之前执行beforeSubmit()
<HEAD>
<SCRIPT ID=clientEventHandlersJS LANGUAGE=javascript>
<!--
function form1_onsubmit() {
if(form1.password1.value.length<11){
alert("您的密码不能小于10位");
return false;
}
if(form1.text3.value.length<5){
alert("asdfasdf");
return false;
}
}
</SCRIPT>
</HEAD>
<BODY>
<form name=form1 LANGUAGE=javascript onsubmit="return form1_onsubmit()" action=aa.asp>
<INPUT type="password" id=password1 name=password1>
<INPUT type="text" id=text3 name=text3>
<INPUT type="submit" value="Submit" id=submit1 name=submit1>
</form>
</BODY>
</HTML>
function checkLength(length)
{
if(length<LENGTH)
{
alert("密码位数不够,请重新输入") ;
return false ;
}
}
</script>
<body>
<input type ="password" onblur="checkLength(this.value.length)">
LENGTH是你规定的长度。inputPasswordName是element名字。