html运行实例（jsck_positive_infinity

代码示例：（标识：jsck_positive_infinity_1）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数字</h1>

<h2>POSITIVE_INFINITY 属性</h2>

<p>Number.POSITIVE_INFINITY 返回 Infinity：</p>

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

<script>
document.getElementById("demo").innerHTML = Number.POSITIVE_INFINITY;
</script>

</body>
</html>