html运行实例（js_number_bigint_typeof）-搜寻教程库

代码示例：（标识：js_number_bigint_typeof）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数字</h1>

<h2>BigInt typeof</h2>

<p>BigInt 的类型是：</p>

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

<script>
let x = BigInt("9999999999999999");
document.getElementById("demo").innerHTML = typeof x;
</script>

</body>
</html>