In order to show an element if a checkbox is checked:
Step 1. Add on click listener to checkbox
Step 2. Check if a checkbox is checked
Step 3. Show element once the checkbox is checked
CSS
#basic-info {
display: none;
}
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>wecode101 show element if checkbox is checked</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">
</head>
<body>
<main>
<div class="container">
<div class="col-9 pt-5 mx-auto">
<input type="checkbox" id="show-div"> Show info</input>
<p id="basic-info">Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque</p>
</div>
</div>
</main>
</body>
</html>
JS
$( "#show-div" ).click(function(){
if ($("#show-div").is(':checked')) {
$("#basic-info").show();
}else{
$("#basic-info").hide();
}
})