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请问 JS 如何合并这样的两个数组

 3 years ago
source link: https://www.v2ex.com/t/794990
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V2EX  ›  JavaScript

请问 JS 如何合并这样的两个数组

  muunala10221 · 1 小时 32 分钟前 · 188 次点击

let a = [[123, ''],[456, ''],[789, '']]
let b = [[123, 1],[456, 1] ]

a 一定包含 b 的所有值，想要把 ab 合并 ，最后变成 [[123, ''],[456, 1],[789, '']，我知道循环可以做到，但是想看看有啥更优雅的实现方法没


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