storage.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Storage</title>
</head>

<body>
    <h1>Local Storage and Session Storage</h1>
    <input type="text" name="" placeholder="storage id" id="storage-id">
    <input type="text" name="" placeholder="storage value" id="storage-value">
    <br><br>
    <button onclick="addToLocalStorage()">Add to Local Storage</button>

    <script src="storage.js"></script>
</body>

</html>