.


Divya


How to check Password strength in jQuery with Demo


<!Doctype html>
<html>
<body>
<head>
<style>
#frmCheckPassword {border-top:#F0F0F0 2px solid;
background:#808080;padding:10px;
}
.demoInputBox{
padding:7px; border:#F0F0F0 1px solid; border-radius:4px;
}
#password-strength-status {
padding: 5px 10px;color: #FFFFFF; border-radius:4px;margin-top:5px;
}
.medium-password{
background-color: #b7d60a;border:#BBB418 1px solid;
}
.weak-password{
background-color: #ce1d14;border:#AA4502 1px solid;
}
.strong-password{
background-color: #12CC1A;border:#0FA015 1px solid;
}
</style>
</head>
<div name="frmCheckPassword" id="frmCheckPassword">
<label>Password:</label>
<input type="password" name="password" id="password" class="demoInputBox" onKeyUp="checkPasswordStrength();" /><div id="password-strength-status"></div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script>
function checkPasswordStrength() {
var number = /([0-9])/;
var alphabets = /([a-zA-Z])/;
var special_characters = /([~,!,@,#,$,%,^,&,*,-,_,+,=,?,>,<])/;
if($('#password').val().length<6) {
$('#password-strength-status').removeClass();
$('#password-strength-status').addClass('weak-password');
$('#password-strength-status').html("Weak (should be atleast 6 characters.)");
}
else
{
if($('#password').val().match(number) && $('#password').val().match(alphabets) && $('#password').val().match(special_characters)) {
$('#password-strength-status').removeClass();
$('#password-strength-status').addClass('strong-password');
$('#password-strength-status').html("Strong");
}
else
{
$('#password-strength-status').removeClass();
$('#password-strength-status').addClass('medium-password');
$('#password-strength-status').html("Medium (should include alphabets, numbers and special characters.)");
}}
}
</script>
</body>
</html>

Run it yourself

Demo



.