body{ cursor: url("https://images.cnblogs.com/cnblogs_com/szqblog/1889956/o_201130135019Cursor.png"), auto; }

typeof

 

 typeof [] // object

typeof undefined // undefined

 

posted @ 2020-12-03 21:32  1234前来报到  阅读(51)  评论(0)    收藏  举报