寻找树最后一项父节点,及id匹配项
var obj = {name: "a1", type: 1, children: [], expend: true}
var arr2 = [
{name:...[],
expend: true
}
]
var arr = [
{name: "a1", type: 1, children: [], expend: true, id...: "1"},
{
name: "a1",
id: "2",
type: 1,
children: [
{...) {
if (id) {
checkId(arr, obj, id)
} else {
if (arr.length === 0) {...) {
for (var i = 0; i < arr.length; i++) {
if (arr[i].id === id) {
arr[i].children.push