两个数组的水平连接

Question

如何在javascript中水平连接两个数组？var a = [[1,2],[3,4], [5,6]] var b = [7,8,9]我想要这样的输出：c = [[1,2,7], [3,4,8], [5,6,9]]

Answer 1

您可以使用map和使用index来访问第二个数组中的相应值

var a = [[1,2],[3,4], [5,6]] 

var b = [7,8,9]

let final = a.map((v,i)=> v.concat(b[i]))

console.log(final)