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
|
<!DOCTYPE html>
<html lang="en">
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
body, html {
margin: 0;
}
section {
display: inline-block;
}
</style>
</head>
<body>
<section id="container"></section>
<section>Example page with shadow host</section>
<script>
const host = document.getElementById("container");
const shadowRoot = host.attachShadow({ mode: "open" });
shadowRoot.innerHTML = `
<style>
div {
width: 200px;
height: 100px;
}
.red { background-color: red; }
.green { background-color: green; }
.blue { background-color: blue; }
</style>
<div class="red"></div>
<div class="green"></div>
<div class="blue"></div>
`;
</script>
</body>
</html>
|
