代码示例:(标识:jsck_positive_infinity_2)
<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数字</h1>

<h2>POSITIVE_INFINITY 属性</h2>

<p>创建正无穷大:</p>

<p id="demo"></p>

<script>
let n = (Number.MAX_VALUE) * 2;
document.getElementById("demo").innerHTML = n;
</script>

</body>
</html>
运行结果: