MVT/html-tests.html at main · rdkcentral/MVT · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Hyperlink Buttons</title>
    <link rel="stylesheet" href="custompagestyle.css"  type="text/css"/>
</head>
<body>
    <h1>HTML Tests</h1>

    <div class="container">
        <a href="https://html5test.com" class="nav-button" id="button1" tabindex="0">
            HTML Test
        </a>
    </div>

    <!-- Go Back Link -->
    <a href="#" onclick="history.back(); return false;" class="back-link" tabindex="0" id="backLink">
        ← Go Back to Previous Page
    </a>

    <script>
        // Focus on the first button when the page loads
        window.onload = function() {
            document.getElementById('button1').focus();
        };

        const backgroundColor = "#FFFFFF"; // White background
        document.body.style.backgroundColor = backgroundColor;

        // Keyboard navigation functionality
        document.addEventListener('keydown', function(e) {
            const focusedElement = document.activeElement;
            let nextElement = null;

            if (e.key === 'ArrowDown' || e.key === 'ArrowUp') {
                e.preventDefault(); // Prevent scrolling the page
            }

            if (e.key === 'ArrowDown') {
                if (focusedElement.id === 'button1') {
                    nextElement = document.getElementById('backLink');
                }
            } else if (e.key === 'ArrowUp') {
                if (focusedElement.id === 'backLink') {
                    nextElement = document.getElementById('button1');
                }
            }

            if (nextElement) {
                nextElement.focus();
            }

            if (e.key === 'Enter') {
                if (focusedElement.id === 'button1') {
                    window.location.href = 'https://html5test.com';
                }
            }
        });
    </script>

</body>
</html>