html运行实例（js_number_neg_infinity

代码示例：（标识：js_number_neg_infinity_2）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数字</h1>

<h2>NEGATIVE_INFINITY 属性</h2>

<p>溢出时返回 NEGATIVE_INFINITY：</p>

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

<script>
let x = -1 / 0;
document.getElementById("demo").innerHTML = x;
</script>

</body>
</html>