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how to validate for password and confirm password

Mar 31 2013 7:52 AM
<html>
<head>
<script type="text/javascript">

function validate(){


var firstNaError = checkfirstname();
var lastNaError = checklastname();
var emailError = checkEmail();
var password = checkpassword();

}



function checkfirstname(){
var fname= document.submitform.fname.value;
if ( fname == ""){
document.getElementById("firstname_error").innerHTML = "Please enter firstname";
return false;}
else {
document.getElementById("firstname_error").innerHTML = "";
return true;}
}

function checklastname(){
var lname= document.submitform.lname.value;
if ( lname == ""){
document.getElementById("lastname_error").innerHTML = "Please enter lastname";
return false;}
else {
document.getElementById("lastname_error").innerHTML = "";
return true;}
}

function checkEmail(){
var email = document.submitform.email.value;
if (email == ""){
document.getElementById("email_error").innerHTML = "Please enter Email Address";
return false;}
else {
document.getElementById("email_error").innerHTML = "";
return true;}
}

function checkpassword(){
var pass_len = document.submitform.pass.value.length;
if (pass_len == 0 || pass_len >= 12 || pass_len <6) {
document.getElementById("pass_error").innerHTML = "Please enter password";
return false;}
else {
document.getElementById("pass_error").innerHTML = "";
return true;}
}

}


</script>

</head>
<body>
<h2>Registration</h2>
<table border=0 >

<form name="submitform" method=" action="">


<td>First Name</td>
<td><input type=text name="fname" />
<span style=color:red id="firstname_error"></span><td>
</tr>

<td>Last Name</td>
<td><input type=text name="lname" />
<span style=color:red id="lastname_error"></span><td>
</tr>


<tr>
<td>email* </td>
<td><input type=text name="email" />
<span style=color:red id="email_error"></span>
</td>
</tr>
<tr>
<td>Password*</td>
<td><input type=password name="pass" />
<span style=color:red id="pass_error"></span>
</td>
</tr>
<tr>
<td>Confirm Password*</td>
<td><input type=password name="cpass" />
<span style=color:red id="confirmpass_error"></span>
</td>
</tr>


<td align=center colspan=2><input type="button" value="Create my account" onclick="validate()"/></td>
</tr>



</table>
</form>

</body>
</html>

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Answers (2)