题解 | #Map保存节点#
Map保存节点
https://www.nowcoder.com/practice/01dfdb7db7cc4f2bb6a3dd52f096cf10
let p = document.querySelector('p');
let value = p.innerText;
let map = new Map();
return map.set(p,value);
let value = p.innerText;
let map = new Map();
return map.set(p,value);
