小米前端实习二面 1小时

Function.prototype.a =1;
Object.prototype.b=2;
function A(){}
const a =new A();
console.log(a.a())
console.log(A.a())
console.log(a.b())
console.log(A.b())

const tree = {
value: 2,
children: [
 {
   value: 3,
   children: [],
 },
 {
   value: 4,
   children: [
     {
       value: 5,
       children: [{ value: 6, children: [] }],
     },
   ],
 },
 {
   value: 7,
   children: [],
 },
],
};