JS中递归函数的理解及展开运算符在递归种的运用理解

caigou.

已于 2024-12-05 20:52:00 修改

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文章标签： javascript 开发语言 ecmascript

于 2024-12-05 20:36:57 首次发布

本文链接：https://blog.youkuaiyun.com/m0_56294205/article/details/144275362

版权

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>递归函数</title>
</head>
<body>
<script>
    const list = [
        "你好", "吃饭了吗",
        [
            "好",
            [
                [
                    "abc"
                ]
            ]
        ]
    ]
    console.log(list)

    const a1 = []
    function oneArray(array){
        for (const arrayElement of array) {
            if (arrayElement instanceof Array){
                oneArray(arrayElement)
                continue
            }
            a1.push(arrayElement)
        }
    }
    oneArray(list)
    console.log(a1)


    function oneArray1(array){
        const a2 = []

        function _oneArray(array){
            for (const arrayElement of array) {
                if (arrayElement instanceof Array){
                    _oneArray(arrayElement)
                    continue
                }
                a2.push(arrayElement)
            }
        }
        _oneArray(array)
        return a2
    }

    console.log(oneArray1(list))


    function oneArray2(array){
        const a3 = []
        for (const arrayElement of array) {
            if (arrayElement instanceof Array){
                a3.push(...oneArray2(arrayElement))
                continue
            }
            a3.push(arrayElement)
        }
        return a3
    }

    console.log(oneArray2(list))



</script>
</body>
</html>

第一种方法：