Companies that use JavaScript and what JavaScript is used for

JavaScript is a household name among technology enthusiasts. If you want to get into the technical field, you should learn more about this language. Knowing who uses JavaScript and how to use it will help you succeed in this fast-growing industry.

If you want to refresh your JavaScript knowledge or even further expand it, we recommend you Skillshare as a learning platform.

Whether you want to become a web developer or a game developer, this article is for you. Read on to learn who uses JavaScript and what JavaScript is used for. We also highlight the most popular companies using JavaScript to help you learn more about the career prospects for JavaScript programmers.

What is JavaScript?

JavaScript is a programming language that is considered one of the most popular in the industry. It is essential for most websites as it is one of the key technologies of web browsers and websites. It is also one of the most user-friendly languages ​​and is widely used by developers.

JavaScript is an important building block in the web development process and is used in conjunction with HTML and CSS. Mastering this programming language is essential if you want to become a successful software developer.

How popular is JavaScript?

JavaScript is considered one of the most popular languages ​​ever. It is a favorite for developers, offering online tutorials on the most commonly used programming languages. JavaSript's rankings in various indices published by credible sources are listed below.

• JavaScript is ranked 7th on the TIOBE Index. The TIOBE Index evaluates various programming languages ​​annually and is a well-known index in the industry. Languages ​​are ranked based on the number of queries in major search engines. JavaScript came in seventh place this year, just ahead of Visual Basic.
• JavaScript ranked 3rd in the PYPL index on GitHub. The PYPL index is short for Popularity of Programming Language Index and was created by users of GitHub. The rankings are based on the number of Google searches for language tutorials for each programming language. This year, Javascript is in third place, behind Java and Python .
• Statista ranks JavaScript as the most used programming language among developers worldwide. In 2021, Statista surveyed a large number of developers about which programming languages ​​they use. Almost 65 percent of those surveyed said they use JavaScript. This puts JavaScript in first place in this survey, ahead of HTML/CSS.

What is JavaScript used for?

JavaScript is used for both client-side and server-side web development. Various JavaScript tools are used for this process such as: B. JavaScript engines developed by browser manufacturers. Below is a list of the top five JavaScript applications we have compiled.

Front-end development

Front-End-JavaScript is often used to create an interactive experience for users and add dynamic behavior to websites. In addition to simply displaying stylized content, developers can use it to incorporate additional activities into their website. This JavaScript front-end programming allows developers to improve the user experience for every website visitor.

PayPal and Netflix are some of the major companies that use client-side JavaScript for their websites' UI. They also use NodeJS to split their interface into different client-side web applications to ease management and build scalable network applications. All modern browsers now support JavaScript code and execute it efficiently - a testament to how many companies and browser vendors use it for their purposes.

Backend development

JavaScript is often used for front-end coding, but can also be used as a server-side language for web development. Another use for server-side JavaScript code is to develop a Backend -Infrastructure with functions such as payment processing and database construction. This is typically achieved by using JavaScript with development tools such as NodeJS.

Many well-known companies use JavaScript for various purposes including server-side web development. One of the best-known names is LinkedIn, which relies on NodeJS to make data sharing easier. Walmart has it too Java replaced by Node.js for its mobile website infrastructure.

Mobile application development

Developers can also use JavaScript to develop mobile applications. This is made possible through the use of development tools in conjunction with JavaScript. Some examples of these tools are React Native, Phonegap and Angular. Spotify is one of the best examples of integrating JavaScript into a mobile application.

Game development

JavaScript can be used in conjunction with game engines. Although it is not ideal for complicated games, JavaScript can certainly be used for developing simple games. Unlike desktop software, these JavaScript games typically run in all major browsers without needing to be downloaded.

There are a number of well-known games that use JavaScript. For example, HexGL, a simple racing game known for its addictive nature, was developed using JavaScript and HTML5. Another example is Mk.Js, an HTML5 and JavaScript game that mimics the gameplay features of Mortal Kombat and Tekken.

Web application development

JavaScript can also help in developing web applications. It is often used in conjunction with other technologies to create extremely responsive web applications. The ability of these applications to run in a simple browser tab, similar to JavaScript games, can be more convenient than installing desktop applications.

Some common examples of web applications that use JavaScript include Google Docs, Google Maps, and the Gmail web client. Google even uses its own JavaScript tools like AngularJS and Closure Tools to develop its web applications. Another example is Groupon, whose website is divided into multiple NodeJS web applications.

List of JavaScript Companies: Overview

List of companies using JavaScript expanded

Many companies, including those mentioned here, use JavaScript for various purposes, such as: B. to add additional activities to applications or create a more interactive experience for users. This is because JavaScript offers a wide range of uses that can maximize development time and efficiency. Below we will go into more detail about the companies listed above that use JavaScript.

eBay

eBay is an e-commerce company best known for operating an online marketplace website for consumers and businesses. It uses JavaScript for various front-end and back-end programming purposes. eBay's tech stack was based on Java for a while, but now the company has moved most of its user-facing stack to Node.js.

Average salaries for eBay employees using JavaScript

• Full Stack Entwickler | $175,521
• Software Engineer | $124,398
• Front-End-Software-Engineer | $124,398

Facebook

Facebook, officially known as Meta, is a multinational technology company known for its numerous contributions to the technology industry. It uses JavaScript to help with backend and frontend programming and improve users' interactive experience on each of its social media platforms. Facebook is also the company that developed React, one of the most popular JavaScript frameworks.

Average salaries for Facebook employees using JavaScript

• Front-End Engineer | $172,114
• Software Engineer | $187,046
• Full Stack Production Engineer | $166.290

Google

Google is a large American company known for various technology-related services, products and web applications. The company is an enthusiastic supporter of JavaScript and uses it for many purposes. Google is also responsible for developing V8, the engine that forms the core of Google Chrome and Node.js.

Average salaries for Google employees using JavaScript

• Software Engineer | $156,806
• Developer Relations Engineer | $154,545
• Application Engineer | $199,805

Groupon

Groupon is an American online marketplace known for offering generous discounts and coupons to its customers. He uses JavaScript for his website and splits it into multiple web applications for more efficient management. The marketplace creates and develops its mobile applications and front-end management using JavaScript.

Average salaries for Groupon employees using JavaScript

• Software Engineering Manager | $180,106
• Software Development Engineer | $139,671
• Mobile Application Engineer | $165,170

LinkedIn

LinkedIn is an online service for business and employment-related matters. It operates through websites and mobile applications, all developed using JavaScript. JavaScript supports developers in the front-end and back-end.

Average salaries for LinkedIn employees who use JavaScript

• Senior Software Engineer | $185.034
• Employee software engineer | $222,075
• Technical Services Manager | 126,069

Microsoft

Microsoft is one of the largest software companies known for various products such as the Microsoft Windows operating systems and the Microsoft Office suite. The company uses JavaScript to develop its Edge browser and is one of the biggest supporters of Node.js. Also, JavaScript is used for both front-end and back-end web development.

Average salaries for Microsoft employees using JavaScript

• Software Engineer | $136,877
• Service Engineer | $140,386
• Azure App Services Support-Ingenieur | $74,904

Netflix

Netflix is ​​the most popular streaming service that allows customers to watch a variety of television series online from any device with an internet connection. Netflix used to be a big fan of Java, but over time the company began to prefer Node.js. It used Node.js to turn its interface into independent web applications to reduce server load.

Average salaries for Netflix employees using JavaScript

• Senior UI Engineer | $276,987
• Senior Front-End Engineer | 138,643
• Senior Software Engineer (Full Stack) | 409,202

PayPal

PayPal is a financial technology company that facilitates payments and money transfers through its online payment system. It uses JavaScript for front-end development of its website and Node.js for some back-end purposes. It even developed its own version of Express.js called Kraken.js.

Average salaries for PayPal employees using JavaScript
Software developer | $121,652
Full Stack Software Engineer | $115,810
Full Stack Web-Ingenieur | 132.773

Uber

Uber is a ridesharing or transportation company that allows its users to request drivers through a mobile application. It uses JavaScript for front-end and back-end purposes on its website. Uber processes large amounts of incoming data efficiently using Node.js and JavaScript.
Average salaries for Uber employees using JavaScript

• Software Engineer | $159,263
• Senior Software Engineer | $184,065
• Front-End Engineer | $159,263

Walmart

Walmart is a retail company that operates numerous online e-commerce sites, markets, departments and grocery stores worldwide. Walmart uses JavaScript for front-end and back-end development, web application development for its website, and even for building its mobile applications.

Average salaries for Walmart employees who use JavaScript

• Principal Product Manager | $185,884
• Employee software engineer | $185,828
• Senior Software Engineer | $209,856