<form> <label> Do you have a car? <input type=”checkbox” id=”carCheckbox” onchange=”showCarFields()”> </label> <div id=”carFields” style=”display:none;”> <label> Make: <input type=”text” name=”make”> </label> <label> Model: <input type=”text” name=”model”> </label> <label> Year: <input type=”text” name=”year”> </label> </div> <button type=”submit”>Submit</button> </form> <script> function showCarFields() { var checkbox = document.getElementById(“carCheckbox”); var fields = document.getElementById(“carFields”); if (checkbox.checked == true) { fields.style.display = “block”; } else { fields.style.display = “none”; } } </script>