```
<!DOCTYPE html>
<html>
<head>
<title>名前考えアプリ</title>
<script>
function generateName() {
var firstName = ["大","小","高","山","川","田","中","木","井","明"];
var lastName = ["田","山","本","木","井","吉","田","村","原","岡"];
var randomFirstName = firstName[Math.floor(Math.random() * firstName.length)];
var randomLastName = lastName[Math.floor(Math.random() * lastName.length)];
var fullName = randomFirstName + randomLastName;
document.getElementById("nameOutput").innerHTML = fullName;
}
</script>
</head>
<body>
<h1>名前考えアプリ</h1>
<button onclick="generateName()">名前を考える</button>
<p id="nameOutput"></p>
</body>
</html>
```
面白いジョーク: なぜプログラマーはコーヒーを好むのでしょうか？因果関係です。
