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This article mainly introduces "is jquery a language?". In daily operation, I believe that many people have doubts about whether jquery is a language. The editor consulted all kinds of materials and sorted out simple and easy-to-use methods of operation. I hope it will be helpful to answer the question of "is jquery a language?" Next, please follow the editor to study!

Jquery is not a language, but a set of cross-browser JavaScript libraries that simplify operations between HTML and JavaScript; the syntax design of jQuery makes many operations easy, such as manipulating document objects, selecting document object model elements, creating animation effects, handling events, and so on.

This article operating environment: windows7 system, jquery3.2.1 version, DELL G3 computer

Is jquery a language?

Jquery is not a language. JQuery is a set of cross-browser JavaScript libraries that simplify the operation between HTML and JavaScript. John Resig (John Resig) released his first version on BarCamp NYC in January 2006. It is currently developed by a team led by Dave Methvin. Sixty-five per cent of the top 10000 most visited websites in the world use jQuery, once the most popular JavaScript library.

Brief introduction

JQuery is open source software licensed under the MIT license. The syntax design of jQuery makes it easy to manipulate document objects (document), select document object Model (DOM) elements, create animation effects, handle events, and develop Ajax programs. JQuery also provides developers with the ability to create plug-ins on it. This allows developers to abstract underlying interactions with animation, advanced effects, and advanced themed components. The modular approach enables the jQuery function library to create powerful dynamic web pages and web applications.

Microsoft and Nokia have announced the binding of jQuery to their platforms. Microsoft initially integrated jQuery in Visual Studio for use in Microsoft's own ASP.NET AJAX framework and ASP.NET MVC Framework, while Nokia integrated jQuery in its Web runtime component development platform. MediaWiki has also been using jQuery since version 1.16.

After jQuery version 1.3, a new cascading style sheet (CSS) selector engine, Sizzle, was introduced. At the same time, the Packed version is no longer available, because the time consumed by decompression is far greater than the download time saved, and it is not conducive to debugging, and there are public sites such as Google AJAX Libraries API that provide js reference services for jQuery, so the original advantages of the Packed version have been lost.

JQuery has the following features:

DOM element selection using the multi-browser open source selector engine Sizzle (a derivative of the jQuery project)

DOM operation based on CSS selector, using the name and attributes of the element (such as id and class) as conditions for selecting nodes in DOM

Event

Special effects and animation

Ajax

Deferred and Promise objects to control asynchronous processing

JSON parsing

Extend through plug-ins

Tool functions, such as feature detection

Native compatibility methods in modern browsers, but fallback methods such as inArray () and each () are required for older browsers

Multi-browser (not to be confused with cross-browser) support

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