57、函数封装案例 copy

2024-10-04 / 0 评论 / 4 阅读 / 正在检测是否收录...

10/04

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        // 1、求2个数的和
        // function getSum(){
        //     let num1 = +prompt('请输入第一个数')
        //     let num2 = +prompt('请输入第二个数')
        //     console.log(num1 + num2)
        // }
        // getSum()

        // 2、求1~100之间所有数的和
            function getSum(){
                let sum = 0
                for (let i = 1; i <= 100; i++){
                    sum += i
                }
                console.log(sum)
            }
            getSum()
    </script>
</body>
</html>

JavaScript