JavaScript Tutorial

//JavaScript Tutorial
JavaScript Tutorial2022-04-28T18:11:15-05:00

JavaScript language

JavaScript is one of the most widely utilized programming languages in the world. Developers use scripting terminology to create interactive user interfaces that show dynamic content. Similarly, it is also directed to as The Language of the Web Browser because it is the most typically used language to build web applications and works well across all web browsers. As the rage of JavaScript improved and more people were using it to assemble websites and applications, the JavaScript community defined that certain conventions in the code were being used repeatedly to complete the same tasks. 

Introduction to Web Development Technologies

Similarly, this code re-writing and recognizing that certain JS functions ought to be executed multiple times directed to developing JavaScript libraries and frameworks. For example, recurring animations and interactive documents that materialize in different spots on a website or app were redundant tasks that could be automated by operating a code snippet as required without reporting code every period.


Generally conveying, JavaScript libraries are clusters of prewritten code snippets that can be utilized and reused to accomplish standard JavaScript functions. A particular JavaScript library code can be plugged into the rest of your project’s principles on an as-needed basis. This led to faster development and more occasional susceptibility to having mistakes.

JavaScript Frameworks and Libraries

JavaScript framework is a group of JavaScript code libraries that equip a web developer with pre-written code for common programming assignments. Frameworks are systems with a certain context and enable you to create web applications within that context. Building strong web applications without JavaScript frameworks is completely possible, but frameworks provide a template that handles common programming patterns. Each time you have to assemble an application, you don’t have to write code for every single component from scratch. Rather, you can build upon a current feature set. 

The software community’s standard topic of discussion is the difference between a framework and a library. In truth, professionals have suggested that the bar between them can be blurry, but it is reasonable to make the difference. While a JS framework is a complete toolset that enables the shape and organization of your website or application, a JS library, on the other side, is a cluster of pre-written principle snippets that are petite about shaping your application and more about equipping a use-as-needed library of characteristics. 

Some of the most important and world widely used libraries are:


There are numerous libraries and frameworks known to JavaScript developers today, but the vision of a JavaScript library was initiated with the invention of jQuery. Similarly, jQuery is a JavaScript library created to facilitate HTMLDOM (Document Object Model) manipulation, event handling, CSS animations, and Ajax. The jQuery library compressed the syntax and facilitated the code, making it effortless to comprehend and rising web developers’ productivity. 

JQuery JS Library

A web developer had to install jQuery and operate prewritten code snippets to run the virtual DOM. For illustration, if a developer desires to add an autocomplete characteristic in a quest bar on their site, they would insert the relevant jQuery code snippet into the project’s code. When a user enters text into the quest bar, the jQuery code snippet regains the trait from the jQuery library and exhibits it in the user’s current browser. 

React Js

React.js (also known as ReactJS or React) is an open-source, front-end JavaScript library. It was constructed in 2013 by Jordan Walke, who works at Facebook as a software engineer. It has the MIT claim but was initially released beneath the Apache License 2.0. React was created to make interactive UI creations effortless. Just design a simple view for particular states in your app. Next, it will efficiently render and modernize the right segment upon data changes.

React is also incredibly smart in that it accomplishes a lot of heavy lifting in times of efficiently editing and rendering the correct details when there is a change in data or the form of the JavaScript application. Today, React is the most favorite JavaScript library, and corporations use it worldwide like Uber, Airbnb, Facebook, Netflix, Instagram, Amazon, Twitter, and much more. 

JavaScript library-React.jsThe web component-based library permits developers to avoid the pitfalls of rewriting code and marketing with complicated debugging. With React, you can reuse and reclaim different components across the web application or different products. Features such as navigation bars, buttons, cards, forms, sections, and the like can all be reused like little formation blocks that create the web application. A library like React dramatically advances the development swiftness with fewer bugs and makes deeply performant applications. 

React Features/Benefits

  • The React code includes components or commodities that need rendering to a specific feature in DOM with the help of a React DOM library.
  • It utilizes a virtual DOM by making an in-memory cache in a data structure, adding the difference, and efficiently correcting the display DOM in the browser.
  • Due to this particular rendering, the app’s performance boosts while saving the developers’ steps to recalculate the page layout, CSS styles, and full-page rendering.
  • It operates lifecycle methods like render and component DidMount to manage code at specific points during an entity’s lifetime.
  • It supports JavaScript XML (JSX) that integrates both JS and HTML. It helps in constituent rendering with nested elements, attributes, JS expressions, and dependent statements.


JavaScript library-D3.js.

Data-Driven Documents or D3.js is a great library to use when you are dealing with data as it is incredibly flexible with data handling. It uses the document established on the content and adds interactivity with the service of HTML, SVG, and CSS. The authorized site contains various samples to understand the functionality of the library. Some of the characteristics this library supplies are as follows:

  • Various samples are available online to understand from the author and the society writing plugins.
  • A large society provides the programmer with various resources to learn about it.
  • A bit tough initially, data manipulation and binding affect complex visuals for a huge portion of data.
  • The team designed it for current browsers that sustain IE9 and above (IE8 with an additional library).

The drawbacks of Data-Driven Documents you must be aware of are as follows:

  • Due to the sophistication and flexibility, it supplies a steep learning arc for the programmers.
  • Selections need the new designers to stay up-to-date.
  • Some code provinces may need a translation layer for a large-scale application.


JavaScript library-Anime.js


Anime.js is a great library to add animation and micro-interactions to your website. It operates with CSS properties; individual CSS alters, SVG or DOM attributes, and JavaScript Objects and enlivens everything with a single API. The developers released Anime.js 3.0, on January 17, 2019, with different new features. It is famous because:

  • Anime.js operates with all the standard browsers, including Chrome, Safari, Opera, Firefox, and IE 10+.
  • Anime.js is one of the libraries to learn for combining action on your site.
  • Anime.js is one of the most comfortable libraries to learn for combining action on your site.
  • The original code for the library is very effortless to decipher.
  • Anime.js makes complicated animation techniques like follow-through and overlapping animations a lot more comfortable. 

Anime.js is relatively unique to the web market. Thus, it also has some issues associated with it:

  • It does not have a lot of help if you face any errors in your library.
  • This library is still undergrowth, with the public release date of June 27, 2016.



JavaScript library-TaffyDB

TaffyDB is an open-source JavaScript library that adds database characteristics to our website. This is especially useful if you deal with loads of data on your site. It uses the data into tables with a familiar SQL-like interface. The benefits of using this library include:

  • TaffyDB is consistent with all modern browsers like IE9+, FF3+, Safari 5+, and Chrome 1.0+.
  • TaffyDB with its tiny size processes any question very quickly.
  • TaffyDB is consistent with server-side JavaScript.
  • TaffyDB is quite durable and reliable to utilize.

The drawbacks to the library are as follows:

  • The questions can be challenging to understand if the programmer is not acquainted with database ideas.
  • You require a good knowledge of SQL queries to utilize them on your website.

Algolia Places 

Algolia Places is a JavaScript library specializing in address quest autocomplete for the website. This means that the user can efficiently fill the address in a form, with other particulars auto-filled by the layout itself. 

JavaScript library- Angolia Places

The programmer contains it in the code to enhance the user interactivity on the website. This is why it is in high request:

  • Keen fast and effortless to implement.
  • It is pretty authentic.
  • Algolia provides a high-speed setting even in complicated systems.
  • Displays a real-time map for better visualization.
  • Typo gullible, thus allowing users to create typing mistakes and still offer the records they want.

But this library has some knocks too. They are as follows:

  • It does not sustain iPhone and Android.
  • Algolia relies on OpenStreetMap data, which only helps street-level precision. There is no warranty for house-level precision.
  • The documentation is occasionally hard to navigate.

Glimmer js

JavaScript library- Glimmer.js

Glimmer.js tracks the tagline Fast and light-weight UI components for the web.” The designers of Ember.js have introduced this library and cast it in early 2017. This is useful when you want components of Ember.js but in a more undersized and lighter package. The benefits of using this library include the following:

  • Glimmer.js can discriminate between static and busy content, reducing the workload while reviewing the elements for changes.
  • Glimmer.js provides a quick and efficient algorithm that improves its productivity.
  • 100% compatible with Ember’s API, thus you get all the features without editing the existing code.

The weaknesses of this library are as follows:

  • This library only operates in Ember. Thus you need to have at least a little knowledge of Ember.js.
  • Glimmer.js uses TypeScript, making it difficult for new designers to understand.

You can use JavaScript libraries for:

Data Visualization in Maps and Charts

Data visualization in applications is important for users to view the admin board, dashboards, performance metrics, and more. Offering these data in charts and maps helps you examine that data easily and create informed business decisions.

Examples: Chart.js, Apexcharts, Algolia Places. Visit the link to see the libraries.

DOM Manipulation

Document Object Model (DOM) describes a web page (a document) as entities and nodes that you can change using JavaScript. You can modify its content, style, and design.

Examples: femtoJS. Visit the site to see the libraries.

Data Handling

With the massive amounts of data that enterprises now deal with daily, managing and managing them properly is important. Using a JavaScript library causes it easier to handle a record following its content while counting more interactivity.

Examples: D3.js. Visit the link to see the libraries.


Effective database management is essential to read, create, delete, edit, and style data. You can also use cultivated queries, auto-create tables, synchronize and validate data, and vastly more.

Examples: TaffyDB, ActiveRecord.js. Visit the link to see the libraries.


utilize JS libraries to simplify form functions, including form verification, synchronization, handling, dependent capabilities, field controls, changing layouts, and more.

Examples: wForms, LiveValidation, Validanguage, qForms. Visit the link to see the libraries.


People love animations, and you can leverage them to create your web page interactive and more fascinating. Adding micro-interactions and liveliness is easy by using JavaScript libraries.

Examples: Anime.js, JSTweener. Visit the link to see the libraries.

Image Effects

Users can add influences to images and stand out using JS libraries. Influences include blurring, lightening, embossing, sharpening, grayscale, saturation, hue, adjusting contrast, flipping, inverting, reflection, and so on.

Examples: ImageFX, Reflection.js. Visit the link to see the libraries.


Users can include any font to complete their web page more effectively based on the content type.

Examples: typeface.js. Visit the link to see the libraries.

Math and String Functions

Adding mathematical manifestations, date, time, and strings can be problematic. For example, a date consists of numerous formats, lacerations, and dots to make specialties complex for you. The same holds when it arrives at matrices and vectors.

Use JavaScript libraries to facilitate these complexities and manage and handle URLs effortlessly.

Examples: Date.js, Sylvester, JavaScript URL Library. Visit the link to see the libraries.

User Interface and Its Components

You can deliver a better user experience via web pages by making them more responsive and dynamic, reducing the number of DOM functions, increasing page speed, and so forth.

Examples: ReactJS, Glimmer.js. Visit the link to see the libraries.


Related Tutorials on JavaScript Libraries links

The 40 Best JavaScript Libraries and Frameworks for 2022

List of JavaScript libraries – Wikipedia

11 JavaScript Libraries and Frameworks to Learn in 2022

Top 20 JavaScript Libraries You Should Know in 2022

10 Awesome JavaScript Libraries You Should Try Out

The Database of JavaScript Libraries

Implement Facebook – Javascript SDK with PHP


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About the Author

This article was written and Optimized by Omar A. Malik. He’s an SEO Content Specialist and a Web Developer. Visit my LinkedIn profile for more details. Omar A. Malik