Extended reading:
JQuery is a fast and concise JavaScript framework, and it is another excellent JavaScript code base (or JavaScript framework) after Prototype. The purpose of jQuery design is "write less and do more", and advocate writing less code and doing more. It encapsulates the common function codes of JavaScript, provides a simple JavaScript design pattern, and optimizes HTML document operation, event handling, animation design and Ajax interaction.
Simply put, JSON can convert a set of data represented in JavaScript objects into strings, and then it can be easily passed between functions, or it can be passed from Web clients to server-side programs in asynchronous applications. This string looks a bit strange, but JavaScript can easily explain it, and JSON can represent a more complex structure than "name/value pairs".