printRandomNumbers

<!DOCTYPE html>
<html>
<head>
</head>
<body>
    <input type="submit" onclick="printRandNum()" />
</body>
<script>
    function printRandNum() {
        let num = Math.round(Math.random() * 100);
        document.body.innerHTML += `<div>${num}</div>`;
    }
</script>
</html>