// 利用递归实现数组的扁平化
let ary = [1, [2, [3, [4, 5]]], 6];
let result = [];
let fn = function(ary){
for(let i = 0 ; i < ary.length; i++){
let item = ary[i]
if(Array.isArray(ary[i])){
fn(item);
} else {
result.push(item)
}
}
}
fn(ary);
console.log(result);
原文:https://www.cnblogs.com/zjz666/p/11088445.html