html运行实例（jsck_ceil_2）-搜寻教程库

代码示例：（标识：jsck_ceil_2）

<!DOCTYPE html>
<html>
<body>

<h1>JavaScript 数学</h1>

<p>Math.ceil() 将数字向上舍入到最接近的整数：</p>

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

<script>
let a = Math.ceil(0.60);
let b = Math.ceil(0.40);
let c = Math.ceil(5);
let d = Math.ceil(5.1);
let e = Math.ceil(-5.1);
let f = Math.ceil(-5.9);

document.getElementById("demo").innerHTML =
a + "<br>" + b + "<br>" + c + "<br>" + d + "<br>" + e + "<br>" + f;
</script>

</body>
</html>