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数组结构和树状结构的互转
<!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" /> <titl原创 2022-05-05 17:36:47 · 633 阅读 · 0 评论 -
多维数组展平成一维数组
let arr = [1, [2, [3, [4, 5]]], [6, 7, [8, 9, [11, 12]], 10]] let result = [], fn = function (arr) { if (arr.length === 0) return for (let i = 0; i < arr.length; i++) { let item = arr[i] if...原创 2022-04-28 20:32:32 · 436 阅读 · 0 评论