html运行实例（js_global_number_date

代码示例：（标识：js_global_number_date_2）

<!DOCTYPE html>
<html>
<body>

<h2>JavaScript 全局方法</h2>

<p>Number() 可将日期转换为数字：</p>

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

<script>
let x = new Date("1970-01-02");
document.getElementById("demo").innerHTML = Number(x); 
</script>

</body>
</html>