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What is jquery library?

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Release: 2023-08-10 13:25:35
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jQuery is a popular JavaScript library used to simplify JavaScript programming and process HTML documents. It aims to simplify the development process and improve development efficiency. By providing rich APIs and functional plug-ins, jQuery makes it easier for developers It can operate DOM, handle events, create animation effects, etc. Its popularity and wide application make it easier for developers to use and maintain existing code, and at the same time, they can also solve problems with the help of rich resources and community support.

What is jquery library?

The operating system of this tutorial: Windows 10 system, jQuery3.6.0 version, Dell G3 computer.

jQuery is a popular JavaScript library used to simplify JavaScript programming and processing HTML documents. It provides a set of powerful APIs (Application Programming Interfaces) that enable developers to more easily operate DOM (Document Object Model), handle events, create animation effects, send Ajax requests, implement data interaction, etc.

At first, JavaScript had many difficulties in handling the differences between different browsers, and the code was complex and error-prone to write. To solve these problems, John Resig created jQuery in 2006. The core concept of jQuery is "write less code and do more things". It is committed to simplifying the development process and improving development efficiency.

The design goal of jQuery is to make it easier for developers to manipulate DOM elements without the need for cumbersome JavaScript code. By using jQuery, developers can use concise syntax to select, manipulate and modify HTML elements, such as selecting elements through selectors, modifying text content, adding styles, binding and triggering events, etc. This enables developers to implement interactive web page effects more quickly and improve user experience.

In addition to DOM operations, jQuery also provides a wealth of plug-ins for handling common development tasks. These plugins can be easily integrated into projects and provide many useful features such as date pickers, chart drawing, image carousels, and more. Developers can choose appropriate plug-ins based on project needs to achieve the required functions faster.

Another important feature is jQuery’s event handling mechanism. Through jQuery, developers can easily bind and trigger various events, such as clicks, mouse movements, keyboard input, etc. This allows developers to respond more flexibly to user interactions and implement rich user interfaces.

jQuery also provides powerful animation effects, allowing developers to create a variety of transitions and animation effects. Developers can use predefined animation effects, such as fade in and out, slide, expand and fold, etc., or customize animation effects. This allows developers to add vivid interactive effects to web pages and enhance users' experience of the website.

In addition, because jQuery is so popular, there is a wealth of documentation, tutorials, and community support available to developers. These resources can help developers better understand and use jQuery and solve problems encountered. At the same time, due to its wide application, many websites and applications use jQuery, which means that developers can more easily use and maintain existing code.

To sum up, jQuery is a powerful and concise JavaScript library, designed to simplify the development process and improve development efficiency. By providing a rich API and functional plug-ins, jQuery enables developers to more easily manipulate the DOM, handle events, create animation effects, etc. Its popularity and widespread use make it easier for developers to use and maintain existing code, while also being able to solve problems with abundant resources and community support. Both beginners and experienced developers can benefit from jQuery and apply it to their own projects.

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