ES6实现 数组扁平化去重并排序

数组扁平化去重

var arr = [
    [1, 2, 2],
    [3, 4, 5, 5,6],
    [6, 7, 8, 9, [11, 12, [12, 13, [14],15]]], 10
];
var result = Array.from(new Set(arr.flat(Infinity))).sort((a, b) => {
    return a - b
})
console.log(result);