箭头函数

普通函数与箭头函数
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script>
        // 普通函数
        function (a, b, c) {
            //代码
        }
        fn(a, b, c)

            // 箭头函数
            (a, b, c)=> {
            //代码
        }
    </script>
</head>

<body>

</body>

</html>

箭头函数2
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script>
        function show(fn) {
            fn(12,5)
        }
        show((a, b) => {
            console.log(a * b);
        })
    </script>
</head>

<body>

</body>

</html>

箭头函数3
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script>
        let show = a => {
            console.log(a);
        }

        show(12);
    </script>
</head>

<body>

</body>

</html>

箭头函数4
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script>
        let sum = (a, b) => a + b;

        console.log(sum(12, 5));
    </script>
</head>

<body>

</body>

</html>

箭头函数5排序
<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script>
        let arr = [12, 5, 88, 27, 16, 35, 8];

        arr.sort((a, b) => a - b);

        console.log(arr);
    </script>
</head>

<body>

</body>

</html>
最后编辑于
©著作权归作者所有,转载或内容合作请联系作者
平台声明:文章内容(如有图片或视频亦包括在内)由作者上传并发布,文章内容仅代表作者本人观点,简书系信息发布平台,仅提供信息存储服务。