What does jquery plug-in mean?

JQuery plug-in is a reusable code module, which is a code block written on the basis of jQuery library and can expand the function and application scope of jQuery. By using jQuery plug-in, people can avoid repeated coding, improve work efficiency and better realize their own websites or applications.

JQuery plug-in has many functions, such as simple syntax, easy to use, customizable options and events, remote access to data through ajax, support for various browsers and platforms and good documents. Therefore, jQuery plug-ins have been widely used and become an indispensable tool for front-end developers.

JQuery plug-in is an open organization, which allows anyone to create and share their own plug-ins, just by registering an account on the official website and submitting the code. In addition, there are many third-party communities and websites for jQuery plug-ins, such as GitHub and CodePen. These communities have a large number of plug-in resources and documents, which provide more platforms and resources for the development and application of jQuery plug-ins.