JavaScript Tutorial

checkbox

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Check the Status of Checkboxes</title>
<script src="https://code.jquery.com/jquery-1.12.4.min.js"></script>
<script type="text/javascript">
    $(document).ready(function(){
        $('input[type="checkbox"]').click(function(){
            if($(this).prop("checked") == true){
                alert("Checkbox is checked.");
            }
            else if($(this).prop("checked") == false){
                alert("Checkbox is unchecked.");
            }
        });
    });
</script>
</head>
<body>
    <p><input type="checkbox"> Check or uncheck the checkbox to get the status.</p>
</body>
</html>