Podman-NodeJS-Example/index.html at master · KY64/Podman-NodeJS-Example · 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
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="stylesheet" href="style/style.css">
    <title>Node</title>
</head>
<body id="content">
    <button id="btn">Change</button>
    <script>
        const btn = document.getElementById('btn'),
              page = document.getElementById('content')
        let bg = [
            ["linear-gradient(to right, red, blue)"],
            ["linear-gradient(to right, steelblue, springgreen)"],
            ["linear-gradient(to right, gold, red)"],
            ["linear-gradient(to right, mediumpurple, salmon)"],
            ["linear-gradient(to right, greenyellow, rosybrown)"],
        ]

        let before, i
        btn.addEventListener('click', () => {
            while (before == i)
                i = Math.floor(Math.random() * (bg.length - 1))
            before = i

            page.style.background = bg[i]
        })
    </script>
</body>
</html>