JavaScript Password Validation

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JavaScript Password Validation

Here i will show you how to validate any password field like password field can not be blank and length of password is minimum 8 character.

Example

<html>
<head>
<script>
function pass_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>

Result

Password:

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