JavaScript Password Validation
Here we see that how to validate any password field. Like password field can be blank and length of password is minimum 8 characters.
Example
<!DOCTYPE html>
<html>
<head>
<script>
functionpass_validation()
{
var password=document.myform.password.value;
if (password==null || password=="")
{
alert("password can't be blank");
return false;
}
else if(password.length<8)
{
alert("Password must be at least 8 characters long.");
return false;
}
}
</script>
</head>
<body>
<form name="myform" method="post" action="register.php" onsubmit="return pass_validation()" >
Password: <input type="password" name="password">
<input type="submit" value="submit">
</form>
</body>
</html>
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