2022-11-04 js foreach 三重循环

let arr = [];
req.data.forEach((e,k1) => {
  let obj = {};
  obj.value = e.content;
  obj.children = [];
  obj.expand = false;
  if (e.children) {
    e.children.forEach((e2,k2) => {
      let obj2 = {};
      obj2.value = e2.content;
      obj2.children = [];
      obj2.expand = false;
      obj.children.push(obj2);
      if (e2.children) {
        e2.children.forEach((e3,k3) => {
          obj2.children.push({ value: e3.content });
        });
      }
    });
  }
  arr.push(obj);
});