it is not very complicated for company projects to rely heavily on Jquery, business. I don"t think it is necessary to use jqurey. At present, what we see more frequently is the form validation Validform plug-in. Sometimes a page has dozens of input, as a new front-end er, and do not want to use jquery, so I want to implement such a plug-in by myself. The idea is not very clear. I would like to ask the bosses to put forward some ideas