关于javascript:双层filter生成组织树

欢送提出意见

const data = [{    id: 1,    title: 1}, {    id: 2,    title: 2,    parentId: 1}, {    id: 3,    title: 3,    parentId: 1}, {    id:4,    title: 4,    parentId: 2}, {    id: 5,    title: 5}]function getTree(data) {    const array = data.filter(item => { // 筛选出没有parentid 的数据        item.chidlren = data.filter(ele => ele.parentId === item.id)        return !item.parentId    })    console.dir(array, {depth: 6});    return array}getTree(data)