常用es5和es6语法区别,以及三个点的用法 链接:https://www.jianshu.com/p/b4d48e9846e7 //三个点 链接:https://blog.csdn.net/qiladuo1207/article/details/92839803 解构:https://www.cnblogs.com/lixiao0703/p/lixiao01.html