<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>ランダムURLを開く</title>
</head>
<body>
<h1>ランダムURLを開く</h1>
<button onclick="randomURL()">開く</button>
<script>
function randomURL() {
var urls = [
"https://www.google.co.jp/",
"https://www.youtube.com/",
"http://www.catsthatlooklikehitler.com/",
"https://www.bing.com/",
"https://stackoverflow.com/",
"https://www.amazon.co.jp/",
"https://www.reddit.com/",
"https://github.com/",
"https://www.spotify.com/jp/",
];
var max = urls.length;
var min = 0;
var randomNum = Math.floor(Math.random() * (max - min)) + min;
var url = urls[randomNum];
alert("ウィンドウを開く処理がブロックされました");
}
</script>
</body>
</html>
