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JQuery is a JavaScript library that greatly simplifies JavaScript programming and is easy to learn. (Note: this article does not demonstrate the effect)
Brief introduction: jQuery is a fast, concise JavaScript framework and a great JavaScript code library (or JavaScript framework) after Prototype. JQuery is designed to “write Less, Do More”, which is to write Less code and Do More things. It encapsulates common JavaScript functionality and provides a simple JavaScript design pattern that optimizes HTML document manipulation, event handling, animation design, and Ajax interaction.
The core features of jQuery can be summarized as follows: unique chained syntax and short and clear multi-functional interface; It has efficient and flexible CSS selectors and can be extended to CSS selectors. Have convenient plug-in extension mechanism and rich plug-in. JQuery is compatible with major browsers such as IE 6.0+ and FF