メモ
randomとfloorの組み合わせで一定範囲内の乱数の整数を生成することができる
<!DOCTYPE html>
<html>
<head>
<script>
function minmax() {
var a = Math.min(3, n);
var b = Math.max(3, n);
var c = Math.max(3, Math.min(6, n));
var s = "n=" + n + " min(3, n)=" + a + " max(3, n)=" + b + " c=" + c;
document.getElementById("info").textContent = s;
}
function random() {
var a = Math.random();
var b = Math.floor(a * n);
var s = "n=" + n + " a=" + a + " b=" + b;
document.getElementById("info").textContent = s;
Math.sqrt(n);
}
</script>
</head>
<body>
<input type="range" min="0" max="10" id="randomRange"/>
<button onclick="minmax()">min/max</button>
<button onclick="random()">random</button>
<p id="info"></p>
</body>
</html>
