After following, you can keep track of his dynamic information in a timely manner
Courses in the relevant section：In-depth discussion of jQuery’s basic syntax: $(callback function)
$(document)就是JQuery(document)
2019-04-100个赞
Courses in the relevant section：jQuery object properties and traversal methods: each()
选择符属性：select 上下文属性：
2019-04-110个赞
Courses in the relevant section：Conversion between jQuery objects and DOM objects
js 加索引：document.getElementsByid("li")[2]
2019-04-150个赞
Courses in the relevant section：HTML attribute query and setting skills: attr()/removeAttr()
attr第一个参数：属性；第二个参数：设置的内容
2019-04-150个赞
jq 的removeAttr("")移出属性
2019-04-150个赞
