<!DOCTYPE html>
<html>
<body>
<h1>The input multiple attributes</h1>
<p>The multiple attribute specifies that the user is allowed to enter more than one value in an input field.</p>
<form action="/action_page.php">
<label for="files">Select files:</label>
<input type="file" id="files" name="files" multiple><br><br>
<input type="submit" value="Submit">
</form>
<p>To select multiple files, hold down the CTRL or SHIFT key while selecting.</p>
</body>
</html>