html运行实例（jsck_numbers_1）-搜寻教程库

代码示例：（标识：jsck_numbers_1）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数字</h1>

<p>数字可以写成带小数或不带小数：</p>

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

<script>
let x = 3.14;
let y = 3;
document.getElementById("demo").innerHTML = x + "<br>" + y;
</script>

</body>
</html>