编辑代码

function quickSort(arr) {
    if(arr.length === 1 || arr.length === 0) {
        return arr;
    }
    const [base, ...rest] = arr;
    const left = arr.filter(val => val < base);
    const right = arr.filter(val => val > base);
    return [...quickSort(left), base, ...quickSort(right)]
}

let arr = [123,4,65,76,34,765]

const res = quickSort(arr);
console.log(res)