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maloneleo88

js 能像 Python 一样遍历嵌套的列表或元组吗?

  •  
  •   maloneleo88 · May 4, 2021 via Android · 2692 views
    This topic created in 1856 days ago, the information mentioned may be changed or developed.
    python 里可以 for a,b,c,d in list:

    还可以 for a,b in zip(list1,list2):

    js 只能一层循环套一层循环吗?感觉层数多了会晕
    5 replies    2021-05-04 16:55:26 +08:00
    CismonX
        1
    CismonX  
       May 4, 2021 via iPhone
    ES6 有 destructuring assignment
    ES2019 有 Array.prototype.flat()
    pabupa
        2
    pabupa  
       May 4, 2021 via Android
    https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Guide/Iterators_and_Generators
    不知道标准库有没有,但是既然有上面文档的支持,自己实现一个也不难,,,,
    hyrious
        3
    hyrious  
       May 4, 2021 via Android
    for (const [a,b,c,d] of list)
    const zip = (a, b) => a.map((e, i) => [e, b[i]])
    for (const [a, b] of zip(list1, list2))
    hxse
        4
    hxse  
       May 4, 2021
    array=[[1 ,2], [3, 4]]
    for ([k, v] of array){
    console.log(k, v)
    }
    ---
    1 2
    3 4
    maloneleo88
        5
    maloneleo88  
    OP
       May 4, 2021 via Android
    那些文档看不懂啊,术语太多了。

    @hxse
    @hyrious
    谢谢 可以的
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