数组扁平化并去重排序

数组扁平化

flat(x)  x表示想要拉平的层数,默认为1Infinity任意层数
let arr=[1,[1,2,3,[1,2,3,4,[4,5,6,[6,7,8]]]]]
console.log(...new Set(arr.flat(Infinity).sort((a,b)=>{
    
    a-b})))   

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Origin blog.csdn.net/weCat_s/article/details/120313709