In the fast-paced world of website development, JavaScript libraries have become indispensable tools. These libraries, which are essentially pre-written JavaScript code, allow developers to build complex features and functionalities with ease and efficiency.

By providing ready-made pieces of code for common programming tasks, JavaScript libraries significantly speed up the development process and ensure more consistent, reliable results.

Choosing the right JavaScript library is a critical step in the web development process. The choice of library can greatly influence the functionality, performance, and user experience of your website. Different libraries offer different strengths and capabilities, so it’s crucial to select one that aligns with your specific project requirements and goals. 

Whether you’re building an interactive single-page application, a dynamic e-commerce site, or a simple blog, the right JavaScript library can make all the difference. In this blog post, we’ll explore how to select the best JavaScript library for your website development needs. Stay tuned!

Understanding the Landscape

In the world of web development, JavaScript libraries have emerged as powerful tools that can simplify complex coding tasks. Four of the most popular JavaScript libraries are jQuery, React, Angular, and Vue.js. Let’s take a closer look at each of these libraries to understand their history, purpose, and key features.

jQuery

First released in 2006, jQuery quickly captured the attention of developers due to its simplicity and cross-browser compatibility. The primary purpose of jQuery is to make it easier to use JavaScript on your website. It simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development. One of its main features is the ability to use CSS syntax to select and manipulate HTML elements.

React

Developed by Facebook and first released in 2013, React was created to build user interfaces, particularly for single-page applications. With its virtual DOM (Document Object Model), React provides a smooth user experience by only updating parts of the web page that need to change without reloading the entire page. This results in faster and more efficient performance.

Angular

Angular, initially released in 2010, is a comprehensive framework developed by Google. Unlike jQuery and React, which are libraries, Angular is a full-fledged MVC (Model-View-Controller) framework. It’s designed for building dynamic, single-page web apps with HTML and TypeScript. Key features include two-way data binding, dependency injection, and a modular architecture.

Vue.js

The youngest among the four, Vue.js was developed by an ex-Google engineer and released in 2014. Vue.js is a progressive framework used for building user interfaces. Its core library focuses on the view layer only, making it easy to integrate with other libraries or existing projects. Vue.js also offers features like two-way data binding and a virtual DOM.

Factors Influencing Your Choice

Choosing the right JavaScript library for your website development project is a vital decision that can significantly influence the success of your project. Several factors should guide your choice, including project scope and complexity, performance requirements, learning curve, and community support.

Project Scope and Complexity

The scale and complexity of your project should be a fundamental determining factor when choosing a JavaScript library. If you’re working on a small project or a simple website, jQuery or Vue.js might be more suitable due to their simplicity and ease of integration. 

For larger, more complex applications, a comprehensive framework like Angular could be more appropriate because it provides robust solutions for complex needs, including two-way data binding, dependency injection, and modular architecture.

Performance Requirements

Performance is a critical factor in user experience. Libraries like React and Vue.js use a virtual DOM, which optimizes rendering and improves app performance. If your project involves real-time data updates and you need a fast, efficient solution, these libraries could be the best fit.

Learning Curve

Each library comes with its own learning curve. jQuery is generally considered the easiest to learn, making it a great starting point for beginners. React’s learning curve is steeper, but it’s often praised for its elegance and flexibility. Angular, with its comprehensive nature, has the steepest learning curve among the four. Vue.js strikes a balance between React and Angular, offering a simpler learning curve while still providing powerful features.

Community and Support

A strong community and robust support system are crucial for problem-solving and continuous learning. All four libraries—jQuery, React, Angular, Vue.js—have large, active communities. However, React and Angular, backed by Facebook and Google respectively, offer extensive resources and have widespread industry acceptance. This means a higher likelihood of getting help when you encounter problems and more job opportunities if you master these technologies.

In conclusion, there isn’t a one-size-fits-all JavaScript library. The choice depends on various factors related to your specific project. By understanding these factors, you can make an informed decision that best suits your project’s needs and your team’s capabilities.

Comparing the Options

Let’s take a closer look at each of  the four  competing  solutions. 

jQuery

jQuery is a fast, small, and feature-rich JavaScript library. It’s ideal for those who want to keep things simple and efficient. The strength of jQuery lies in its simplicity and ease of use. It has a gentle learning curve, making it an excellent choice for beginners. jQuery is also great for adding interactivity, handling events, creating animations, and developing AJAX applications. If your project involves creating a simple, dynamic website with less complexity, jQuery would be an ideal choice.

React

React, developed by Facebook, is a powerful JavaScript library for building user interfaces, especially single-page applications. It’s known for its speed, scalability, and flexibility. React uses a virtual DOM which optimizes rendering and improves the app’s performance. The component-based architecture of React makes code reuse and testing easier. If your project requires a highly interactive web application with complex state management and high performance, React is the way to go.

Angular

Angular, backed by Google, is a platform that makes it easy to build applications with the web. It integrates declarative templates, dependency injection, end-to-end tooling, and integrated best practices.

 Angular is particularly strong when developing large-scale, enterprise-level applications. It offers two-way data binding, which reduces the boilerplate code. It also has a strong community support and a rich ecosystem. If your project is a large-scale, complex enterprise application requiring robustness and maintainability, Angular should be your pick.

Vue.js

Vue.js is a progressive JavaScript framework used to build user interfaces. Vue is known for its simplicity and integration capabilities. It has a very low barrier to entry, and you can gradually adopt its features as and when you need them. Vue.js also offers a blend of features from both React and Angular, such as Vue’s reactivity system and single-file components. If your project involves building small to medium-scale applications and you prefer simplicity and flexibility, Vue.js could be a strong fit.

Tips for Selection

Here are some practical tips to help you choose the most suitable library for your specific project needs:

Consider Your Project’s Requirements

Each JavaScript library has its strengths and weaknesses, and the best choice for your project will depend on your specific requirements. For example, if you’re building a real-time application, React might be a good option due to its efficient rendering capabilities.

Evaluate Learning Curve

 Some JavaScript libraries are more beginner-friendly than others. If you’re new to web development or if your team doesn’t have a lot of experience with JavaScript, you might want to choose a library that has a gentle learning curve, like React.

Check Community and Support

Libraries with large communities usually have better support and more resources available. They also tend to be more reliable and stable, as they’re constantly being updated and improved by the community.

Seeking Expert Advice

In your quest to select the right JavaScript library, it may be beneficial to seek professional advice. For example, if you’re leaning towards React due to its versatility and popularity, consider engaging with a React JS consulting service. 

Such a service can provide expert insights into the potential benefits and challenges associated with using React in your specific project context. They can guide you in optimizing your application architecture, ensuring efficient performance, and even training your team in React best practices. The value of this experience-driven advice can be immense, particularly for complex and large-scale projects.

Wrapping Up

In the realm of JavaScript libraries for web development, React, Angular, and Vue.js each present their unique strengths. React stands out for its flexibility, speed, and scalability, perfect for high interaction web applications. Angular, on the other hand, is a robust solution for large-scale enterprise-level applications, offering built-in tools and strong community support. Meanwhile, Vue.js shines in its simplicity and flexibility, suitable for smaller to medium-scale applications. 

Your choice will ultimately depend on your project’s specific requirements, the learning curve you’re comfortable with, the community support, and job market trends. Moreover, seeking expert advice, like a React JS consulting service, can provide valuable insights for your project. 

Regardless of the library you pick, understanding how it aligns with your project’s needs is key to successful web development.

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In the dynamic world of web development, one term you’ve likely stumbled upon is JavaScript. It’s not just another tech buzzword; JavaScript is a cornerstone of the modern Internet. To put it simply, JavaScript is a programming language that breathes life into static web pages, enabling interactive elements like carousels, pop-ups, form validations, and more. In essence, it’s the magic that transforms a simple, static webpage into a dynamic, engaging digital experience.

But as magical as JavaScript may seem, writing extensive lines of JavaScript code from scratch for every project can be time-consuming and prone to errors. This is where JavaScript libraries come in. These are essentially collections of pre-written JavaScript code that developers can use to simplify complex tasks, enhance productivity, and ensure a smoother, error-free development process.

In this blog post, we’ll pull back the curtain on JavaScript libraries, breaking down their complexities into digestible bits. Whether you’re a non-technical enthusiast eager to understand the behind-the-scenes of your favorite websites, or an aspiring developer looking to dip your toes into the ocean of JavaScript, this guide is designed just for you. 

So put on your explorer’s hat as we delve into the fascinating world of JavaScript libraries.

What is a JavaScript Library?

Let’s start with the basics. A JavaScript library is like a toolbox for developers, filled with pre-written JavaScript code that can be used and reused to perform common tasks. Instead of writing lines and lines of code from scratch each time, developers can simply plug in these ready-made ‘tools’ or functions from the library, saving them significant time and effort.

This might sound a bit abstract, so let’s break it down with an analogy. Imagine you’re baking a cake. You could start entirely from scratch, grinding your own flour, cracking eggs, mixing all the ingredients. This is akin to writing raw JavaScript code – it’s flexible and customizable, but it’s also labor-intensive. 

Now imagine instead that you have a box of cake mix – you just add water, stir, and voila, you have a cake batter ready in no time. That’s what using a JavaScript library is like. It doesn’t replace the need for coding altogether but simplifies the process by providing a foundation to build upon.

For instance, consider jQuery, one of the most popular JavaScript libraries out there. With jQuery, tasks that usually require multiple lines of complex JavaScript code can be accomplished with a single line. It handles many tedious, repetitive tasks such as DOM manipulation and event handling, thereby increasing a developer’s efficiency.

In essence, JavaScript libraries are all about making life easier for developers, reducing the complexity of coding, and speeding up the development process. They allow developers to stand on the shoulders of giants, leveraging the work of others to create more sophisticated and efficient code.

Why Use JavaScript Libraries?

JavaScript libraries have become an essential part of modern web development, offering a plethora of benefits that make them a go-to tool for developers. Let’s delve into the reasons why using JavaScript libraries can be advantageous.

Faster Development

JavaScript libraries provide pre-written JavaScript code that developers can utilize to execute common tasks. This significantly speeds up the development process. For instance, libraries like jQuery offer functions for handling events, creating animations, and manipulating the Document Object Model (DOM), which would typically require many lines of code if written from scratch. 

By using these libraries, developers can focus more on building unique functionalities rather than reinventing the wheel, leading to faster development of web applications.

Reusability of Code

Another major advantage of JavaScript libraries is the reusability of code. Libraries consist of methods and functions that can be used across different projects. This means that once you’ve learned how to use a library, you can leverage it in various applications. 

For example, React, a popular JavaScript library, allows developers to create reusable UI components. These components can be used in multiple projects, saving considerable time and effort.

Enhanced Functionality

JavaScript libraries often come with advanced features and capabilities that enhance the functionality of your web applications. Take Chart.js, for example, which simplifies the process of creating complex graphs and charts. 

D3.js is another library that provides powerful visualization tools for your data. These libraries can add value to your projects by providing advanced functionalities that would require significant time and expertise to build from scratch.

Improved Cross-Browser Compatibility

Web developers often face challenges with cross-browser compatibility, as different browsers interpret JavaScript code differently. JavaScript libraries help mitigate these issues. Libraries like jQuery are designed to be cross-browser compatible, meaning they function consistently across different browsers (like Chrome, Firefox, and Internet Explorer). 

This ensures a seamless user experience regardless of the browser used, improving the overall quality of your web applications.

JavaScript libraries are a valuable tool in the web development toolkit. They streamline the development process, promote code reusability, enhance functionality, and improve cross-browser compatibility. By leveraging these libraries, developers can create robust, high-quality web applications more efficiently and effectively.

Popular JavaScript Libraries

jQuery

There was a time when jQuery was the de facto library for JavaScript web development. Introduced in 2006, it quickly gained popularity due to its simplicity and cross-browser compatibility. It made DOM (Document Object Model) manipulation and event handling significantly easier, which were cumbersome tasks back then. 

With jQuery, developers could write less code but do more. For instance, a simple task like selecting an element by its class, which required multiple lines of vanilla JavaScript, could be done in one line with jQuery. Despite the emergence of newer libraries, jQuery still powers a significant number of websites. According to W3Techs, as of 2023, jQuery is used by 78.6% of all websites whose JavaScript library we know.

React

React, developed by Facebook, is a JavaScript library for building user interfaces. It introduced a component-based architecture, where the UI is broken down into reusable pieces or ‘components’. This modular approach allows for better code organization and reusability. 

One of React’s defining features is the virtual DOM, which optimizes rendering and improves performance. Rather than updating the whole page, only the components that change are re-rendered. 

This makes React highly efficient and popular in modern web development. As per Stack Overflow’s 2023 Developer Survey, React is the most loved web framework among developers.

Angular

Angular, developed by Google, is not just a library but a full-fledged framework for building dynamic web applications. It comes with features like two-way data binding, where model state changes automatically reflect in the view and vice versa, and dependency injection, which helps in managing and controlling the service dependencies of an application. 

These features make Angular a robust tool for large-scale applications. Angular’s comprehensive nature and strong backing by Google have made it a choice for many enterprise-level applications.

Vue.js

Vue.js, a progressive JavaScript framework, is known for its simplicity and flexibility. It allows developers to progressively adopt its features as they scale their applications. This means you can start with Vue.js for a part of your project and easily integrate it with other libraries or existing projects. 

Like React, Vue.js also uses a virtual DOM and component-based architecture. Its easy learning curve and flexible design have led to growing popularity and adoption among developers. According to the State of JS 2023 survey, Vue.js is one of the fastest-growing JavaScript frameworks.

These libraries and frameworks have shaped modern web development and continue to do so. Choosing one depends on the specific needs of your project, your team’s expertise, and the problem you’re trying to solve.

Key Differences and Use Cases

jQuery vs. React

jQuery and React are both JavaScript libraries, but they serve different purposes and have different strengths.

jQuery, being an older library, has a higher number of libraries in the market and is widely used in various website categories, including Computers Electronics & Technology, Science & Education, Arts & Entertainment, Health, and more.

It shines when it comes to DOM (Document Object Model) interaction and manipulation, providing numerous methods and APIs that make these tasks straightforward. This makes jQuery a great choice for simpler websites and applications, where quick and easy DOM manipulation is key.

React, on the other hand, is particularly known for its introduction of the Virtual DOM, which significantly optimizes rendering and improves performance. Moreover, React helps manage the state of your pages. 

Experts claim that code in frameworks like React tends to execute faster than jQuery. React’s scalability also outperforms jQuery, making it an excellent choice for larger, more complex applications. While jQuery may still be more prevalent due to its longevity, React’s mass-market appeal is undeniable.

React vs. Angular vs. Vue.js

When comparing React with other popular JavaScript frameworks like Angular and Vue.js, several key differences emerge.

React, as mentioned earlier, is renowned for its performance and scalability, courtesy of the Virtual DOM. It also boasts a vibrant community and extensive library ecosystem. However, React only focuses on the view layer, meaning you might need other libraries to develop a complete front-end solution.

Angular, developed by Google, is a full-fledged MVC (Model-View-Controller) framework. It provides a robust set of features out of the box, such as two-way data binding, dependency injection, and directives. These features can simplify development, but they also contribute to Angular’s steeper learning curve compared to React and Vue.js.

Vue.js, the youngest among the three, aims to provide a progressive framework that is as powerful as Angular while remaining as flexible and easy-to-learn as React. Vue.js also uses a Virtual DOM and offers an approachable syntax. Its single-file components, which encapsulate HTML, CSS, and JavaScript in one file, are particularly popular among developers.

In terms of use cases, React’s flexibility and performance make it suitable for dynamic, high-performance applications. Angular’s comprehensive features are beneficial for large-scale, enterprise-level applications. Meanwhile, Vue.js’ simplicity and ease of use make it an excellent choice for smaller projects or applications where quick prototyping is essential.

Summary

jQuery, React, Angular, and Vue.js each play a distinct role in the realm of web development, each with its own strengths and use cases. jQuery, despite being an older library, remains prevalent in simpler websites and applications due to its efficiency in DOM interaction and manipulation. 

React, renowned for introducing the Virtual DOM and providing excellent performance and scalability, is apt for larger, more complex applications. Angular, a complete MVC framework backed by Google, offers comprehensive features making it ideal for enterprise-level applications, though it has a steeper learning curve. 

Lastly, Vue.js combines the power of Angular with the flexibility and simplicity of React, making it perfect for smaller projects or quick prototyping. The choice among these largely depends on the project needs and the team’s expertise.

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However, you should use jQuery for any development related to BOM (browser-based document model) or DOM, not just cosmetic interactions. Otherwise, you will reinvent the wheel (i.e. jQuery abstraction elements) and then test it on all sorts of tracks (i.e. in mobile and PC browsers).

Experienced developers know what it means to “stand on the shoulders of giants” and when to avoid excessive complexity. In most cases we cannot do without jQuery anyway, when we need to do non-trivial work related to HTML and DOM in a short time.

Besides, even if jQuery didn’t solve a single problem with the DOM or with various browser implementations of the DOM specification, the importance of the API itself wouldn’t diminish one bit, since it’s so convenient for HTML scripting.

And jQuery is improving, and programmers can work smarter and faster with it. That’s the situation today, and it was so when the library was created. Saying “I don’t need jQuery” is like saying “I can do without lo-dash or underscore.js”. Of course, you can do without them. But that’s not how you judge their value.

Their value is in API. Too much complexity can slow down development. That’s why we like such things as lo-dash and jQuery – they simplify things. And because jQuery makes complex tasks easier (like writing scripts for HTML), it won’t get old.

Appendix – important facts about jQuery

• The jQuery library was written by John Resig and was released on August 26, 2006. John admitted that he wrote this code to “revolutionize the way JavaScript interacts with HTML”.
• jQuery is considered the most popular and sought-after modern JavaScript library.
• jQuery is free software, provided under license from MIT.
• There are two versions of jQuery. Version 1.x supports Internet Explorer 6, 7 and 8\, and 2.x only supports IE9+. If you need support for IE8, you’ll have to work with version 1.x. But that’s okay, both versions are still under active development.
• The minimum version of jQuery 2.x is 82kb in size. The Gzip archive is about 28k.
• Minimal version of jQuery 1.x has size 96kb. The Gzip archive is about 32k.
• The source code of jQuery is available on Github.
• You can create your own version of jQuery based on the source code from Github.
• jQuery can be installed using the bower or npm package manager (i.e. $ bower install jquery or npm install jquery).

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When a browser renders a web page, we only see a visual representation of the DOM (document object model). This model can be conceptually represented as a tree with nodes, roots, and leaves.

In JQuery, you can easily navigate through the DOM in search of the desired nodes, elements, or values you need to retrieve. That is, if you are looking for a DIV with some text that has an ID, it is very simple.

Manipulating HTML documents

When it comes to actual DOM manipulation, JQuery has a lot of functionality that can be used to change what users see.

Some of the functions are quite simple, such as show and hide, which can be used to show or hide elements that should not be visible on the page. Other functions allow you to create new elements and insert them before the closing tag of an existing element (the append function) or insert new tags after the opening tag of an existing element (the prepend function).

Handling events

If you’re new to JavaScript, the key to understanding how JS interacts with the page displayed in the browser is to understand how the language handles various events.

That is, when the user clicks on an element, presses a key, or simply clicks the mouse, the browser creates a signal of the triggered event. This is how the language handles interactive browser events.

Every time a user does something with a web page, we can respond to them with a user event. The problem is that not all browsers handle the same events in the same way.

Luckily, JQuery has special names for all events, so we can handle all events in all browsers the same way.

Animation

At the time of JQuery’s release, Flash with its animations was quite popular on the web. But when we talk about animations in JQuery, the effects are different from those in older technologies. JQuery animation is the effect when users feel feedback from an event on the screen. Besides, the new animation is not so aggressive and can give a page or application a style when used correctly (but do not abuse it).

You can see all the API effects here. It’s worth noting that in JQuery, effects range from handling simple smooth appearances and disappearances of elements or slides to more complex things like manipulating multiple effects hung on an element.

Ajax

For those who are unfamiliar with Ajax: with Ajax, a web page can make requests to the server, process the response, and refresh a part of the page without a full refresh. The technology is not new, but it still does its job well. Ajax has really great functionality that can be useful if used correctly.

Ajax support is much better than it was 5 years ago, but the implementation of the API may still be slightly different in different browsers. That is, we need to write Ajax code for browsers from Microsoft, Google, Apple, Chrome, etc. separately.

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In addition to the basic JQuery library, two other worthwhile projects have emerged that are worth telling you a little about before concluding this article. We won’t go into the details of the projects’ capabilities, but will just take a quick look at each project to get a sense of what it can offer us.

JQuery UI

From the home page of jQuery UI: “JQuery UI is a ready-made set of interactions, effects, widgets, and themes with an interface based on the latest version of JQuery, the JS library. JQuery UI is great for creating both highly interactive web applications and for simply adding a date selection element.”

The library was released in 2007, a year after JQuery was released. The library is complementary to JQuery and uses its parent’s cross-platform capabilities to create widgets that work on all websites.

Most of the widgets use common functionality. For example:

• Date selection elements
• Dialog boxes
• Progress bars
• Pop-up tooltips.
• Autocomplete
• etc.

There is also advanced functionality such as effects, utilities, and interactions. Our knowledge (as well as what we don’t know) at the moment includes all sorts of callback functions, attributes, and functions that allow us to interact with objects.

All of the above features come in different themes to ensure that the functionality fits your website. In addition, all the functions described in the article on the site are well documented.

JQuery Mobile

From the jQuery Mobile homepage: “JQuery Mobile is an HTML5 user interface system designed to build responsive websites and applications that will be accessible on all smartphones, tablets, and PCs.”

Library has been a new product in the Library line since 2010 (the last stable version was released in 2014).
Like its UI counterpart, it has a well-designed API and custom themes that are ideal for different devices.

The two previous libraries offer us cross-platform features that make it relatively easy to write JQuery and widgets, while jQuery Mobile includes a CSS framework that can also be used to create user interfaces that are ideal for our projects.

The framework includes:

• CSS classes
• grid
• responsive grid
• themes

The library offers everything you can expect from a project aimed at facilitating web development for various mobile devices. Among its features:

• A set of icons
• Events that work on all devices
• Active page properties
• Widgets for mobile interfaces

In addition, there are still plenty of browsers on the web that are suitable for this technology. We’ve already seen a decline in the share of old versions of Internet Explorer and a surge in the popularity of Chrome, but there are still users who are stuck with old browsers for one reason or another.

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Cross-platform and cross-browser compatibility

Thanks to jQuery, there is no need to worry about the syntax and peculiarities of interaction of different browsers and operating systems with the code due to the identical implementation of the framework in all environments.

By the way, the largest search engines have already switched to jQuery.
Speed of work with selectors and ease of use of AJAX
Independent tests demonstrate how fast jQuery is compared to similar libraries. And this is without using caches when you need to repeatedly access one element.

Lightning speed is achieved through the use of selectors – a mechanism for quickly accessing any object in an HTML document.

What is jQuery: where is it used and what advantages does it give to developers
The jQuery AJAX is implemented, in general, as a pair of post and get() functions, which promises different methods of sending data.

Even more functions

Want to expand the framework’s capabilities? You’re welcome. Download the appropriate extensions for it. Among all the plugins, there are a lot of extensions for sorting, selecting, moving, etc. elements.

There is a separate group of add-ons responsible for the graphical interface and page design (adding new windows, tooltips, autocomplete, animation, working with images).

Usage

You can connect jQuery as written in JavaScript from the Yandex or Google repository. All work with the library is done using the $ function and is divided into two types:

first, we get the desired object using the $() syntax by passing a CSS selector function that fits the criterion, then we process it using the desired method;
call the global methods of the object specified in the $() function.
The framework can be used only after the page is fully loaded on the user’s computer.

The framework has become a standard in web page development. It contains the functionality that most website developers need, which will not only speed up the work of pages and decorate them visually, but will also make them work equally on all operating systems and Internet browsers. To learn jQuery, you only need basic programming skills and knowledge of HTML and CSS basics. The missing tools can be easily implemented by downloading plugins and writing your own selectors.

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With the help of a framework or a framework, as it is more often called by domestic developers, you can easily access a hypertext page and manipulate its structure and elements without any restrictions.

The main features of the framework:

<script
var elem = document.getElementById('abzatc');
var elem = $('#abzatc');
</script>

For those users who are already familiar with JavaScript, this is quite enough. They are well aware of how laborious it is to select elements in a document to change them.

It’s not only a long process, but also very inconvenient even for quite experienced developers. The library will allow you to reduce the source code of the program by several times, simplifying it to the limit. Beginners should see all the benefits of the framework in practice.

What in JavaScript could stretch to a page, jQuery has reduced by several times.

This is how the code looks like in Java:

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jQuery is a framework, a library created for the interaction of the JavaScript programming language and the HTML hypertext markup language. It was presented to the public in 2006 at one of the conferences devoted to developments in the field of social networks and browsers, which took place in New York. The author of the project is a young programmer named John Resig, who is still leading the project today.

John mastered HTML and started programming in Basic, and he liked it. Over time, John switched to Visual Basic and started designing websites. When it came time to create a page with custom scrolling, the programmer was very disappointed in the capabilities of the programming languages used, and took up JavaScript. Already its potential seemed inexhaustible in solving the problems that appeared during the use of VB.

Having gained experience and created dozens of applications, Rezig realized that it was necessary to code frequently used code fragments (make them in the form of functions and subroutines) for use in any JavaScript project. This will simplify development and remove all questions about browser and cross-platform compatibility. This is where the development of the framework began.

Definition

A framework is a software platform that serves as a means of defining the structure of a program. It is used in software development, where it is necessary to refer to large and small fragments of code and components that have been combined by the platform, in this case jQuery.

The library allows you to access absolutely any DOM element to change its content, structure, parameters, and even design.

The definition of the DOM will bring clarity to the understanding of the previous sentence – it is a universal, multi-platform (independent of the operating system and the programming language used) user interface through which programs and mini-programs (scripts) are able to open HTML and XML files for their editing.

At the same time, there are virtually no rules, conditions or restrictions, which opens up unlimited possibilities for the user to process and modify the content of HTML. Any known document is represented in the form of a hierarchical tree, in which each branch and its children are attributes, graphic or text objects.

JDOM is the next step in the evolution of the document object model, created with all the features of Java, jQuery is not yet used, at least it is not presented to the public.

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