After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：Variable types and detection techniques (Part 1)
变量,函数基本使用小驼峰,而类都是用大驼峰,常量都用大写,中间加上下划线
2019-05-230个赞
Courses in the relevant section：Two columns_fixed left and right_open the parent block by itself
如果使用overflow: hidden;或者clear之一就可以实现撑开父元素!
2019-05-210个赞
