l114/verander.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Verander</title>
    <script>
        window.onload = function(){
            document.getElementById('lezen').onclick = kanLezen;
            kanLezen();
        }
        function kanLezen(){
            if(document.getElementById('lezen').checked){
               document.getElementById('lezendiv').style.display ='block';
            }
            else{
                document.getElementById('lezendiv').style.display ='none';
            }
        }
    </script>
    <style>
        span{
            width:120px;
            display:inline-block;
            text-align:left;
        }
        
    </style>
</head>
<body>

    <form action="" method="post">
        <div><span>Naam :</span><input type="text" name="naam"></input></div>
        <div><span>Leeftijd :</span><input type="text" name="adres"></input></div>
        <div><input type="checkbox" name="lezen" id="lezen"><label for="lezen">Ik kan lezen</label></input></div>
        <div id="lezendiv"><div><span>Wat is je favoriete boek :</span><input type="text" name="boekNaam"></input></div>
    </form>
    
</body>
</html>

Resultaat

Made by Thijs Aarnoudse