?//多個(gè)數(shù)組去重--非行政班

??????function?reSetSelectArr(arr3)?{

????????let?newArr3?=?[];

????????let?deWeightThree?=?()?=>?{

??????????let?name?=?"className";

??????????let?map?=?new?Map();

??????????for?(let?item?of?arr3)?{

????????????if?(!map.has(item.id))?{

??????????????map.set(item.id,?item);

????????????}

??????????}

??????????return?[...map.values()];

????????};

????????console.log(deWeightThree(),?"deWeightThree");

????????newArr3?=?deWeightThree();

????????return?newArr3;

??????}