handwriting-algorithm/09curry.html at master · ustcfury/handwriting-algorithm · GitHub

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<!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>
        function curry(fn) {
            let length = fn.length
            return function _curry(...args) {
                if (args.length < length) { // 判断接受的参数是否小于函数的参数长度
                    return function () {  // 参数不够长度，再次接受传递参数
                        return _curry(...args, ...arguments)
                    }
                }
                else return fn(...args)// 不要求改变this,
            }
        }
         function sum(a, b, c) {
                return a + b + c
            }
        const add1=curry(sum)
        console.log(add1(1,2)(2));
    </script>
</body>

</html>