Dean Huang

``` javascript function multiRequest(urls, maxNum) { return new Promise((resolve) => { const roundLength = Math.ceil(urls.length / maxNum) const groupTasks = [] function executTaskGroup (tasks) { return Promise.all(tasks.map((url) => { return...

reverse 倒著回來 ``` javascript function normalize(str) { const arr = str.replaceAll(']', '').split('[').filter(Boolean) const res = arr.reverse().reduce((obj, value, idx, a) => { if (idx > 0) { obj.children = { ...obj...