demo-svg-fallback/02.html at master · sutara79/demo-svg-fallback · 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
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>ModernizrをCDNから利用</title>
<!--[if lt IE 9]>
<script src="https://cdnjs.cloudflare.com/ajax/libs/html5shiv/3.7.3/html5shiv.min.js"></script>
<![endif]-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/modernizr/2.8.3/modernizr.min.js"></script>
<style>
#shirt {
  background-color: blue;
}
</style>
<script>
window.onload = function () {
  // ModernizrでSVG対応を判別
  if (!Modernizr.svg) {
    var img = document.getElementById("shirt");
    img.setAttribute("src", "shirt.png");
  }
};
</script>
</head>
<body>
<header>
  <h1>ModernizrをCDNから利用</h1>
</header>
<img src="shirt.svg" id="shirt">
</body>
</html>