📅  最后修改于: 2022-03-11 15:02:35.135000             🧑  作者: Mango
Shorthand: (key,value) Map
const callbackMap = new Map([
["addComment", addCommentCallback],
["commentModified", editCommentCallback]
]);
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#:~:text=Cloning%20and%20merging%20Maps