const _arr = [[21,213],[1,43,125,89],[[23,54],90,389],12];[...new Set(_arr.flat(Infinity))].sort((a,b)=>{ return a-b})(11) [1, 12, 21, 23, 43, 54, 89, 90, 125, 213, 389]
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const _arr = [[21,213],[1,43,125,89],[[23,54],90,389],12];[...new Set(_arr.flat(Infinity))].sort((a,b)=>{ return a-b})(11) [1, 12, 21, 23, 43, 54, 89, 90, 125, 213, 389]
转载于:https://www.cnblogs.com/chenzeyongjsj/p/11234998.html