My internet speed is really slow today. I have to wait for a long time to open a webpage, but I still want to write an article. Automatic tab switching. Because I often encounter such problems at work, writing a blog is also the most important thing. I can share it and refer to it if I encounter something similar in the future! Of course, this is how the page I encapsulated with Jquery can be called multiple times. new tabSlider(obj, count); obj refers to the outermost ID of the container, and count refers to multiple li. Of course, if you want to quote my js, you must follow my structure. Come and write! Below is some structure of my HTML as follows: