Building Node Js Apps

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Building Node Js Apps – What is Node.js for? Let’s take a look at the five main types of apps you can build with Node.js and some Node. js application examples.

Node.js was first introduced in 2009 and that day marked a turning point in the life of the JavaScript community. The dream came true and JavaScript evolved from a purely front-end programming language to a full stack. Node.js became the first step towards implementing Isomorphic JavaScript, also called Universal JavaScript.

Building Node Js Apps

Developers today can use JavaScript to build applications, partially or from start to finish. The JavaScript application backend is mostly written in Node.js. There are cases where the development of a Node.js application is perfectly suited to the needs of the project and cases where its selection is not so good. In this article, we’ll look at the five main types of apps you can build with Node.js, and a few examples of real Node.js web apps.

Building A Mobile App Backend Using Node.js And Mongodb.

〝Node.js is a platform based on the Chrome JavaScript runtime to easily build fast and scalable web applications. Node.js uses an event-driven, non-blocking I/O model, making it lightweight and efficient, ideal for data-intensive real-time applications that run on distributed devices. 〞

Node applications can be described as applications that require a constant connection between the browser and the server. They also refer to real-time applications, such as chat or web push notifications.

So what is so revolutionary about using Node.js applications? The most appropriate use case for Node.js is applications that aim to handle a large number of simultaneous connections without choking. Therefore, this tool is suitable for various mobile, desktop, web and IoT projects. Quindi, cosa puoi fare con node.js?

Now that we know the basics of Node.js apps, it’s time to move on to the main benefits of Node.js apps.

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Node.js is undoubtedly a powerful tool for building all kinds of applications. Want to know more about why so many well-known companies choose this tool for their businesses? Diamo un’occhiata al nostro nuovo elenco.

The most important requirement for any FinTech application is credibility. You must be confident that once you upload certain personal or financial information to the platform, it cannot be tampered with, misused, lost or stolen. Fortunately, Node.js has reliability and data security to offer. Node.js is open source, which means that when there are bugs or vulnerabilities that could affect the integrity of user data, the development community will fix them immediately.

PayPal handles around 200,000,000 users a day and does so without problems: this is the number one result of the Node.js non-blocking model. However, heavy data usage is not the only problem Node.js helped the PayPal team solve. Initially, the platform was developed with HTML, CSS and JavaScript on the client side and Java on the server side. Front-end and back-end were developed by two teams, which slowed down and complicated the development process. This problem turned into a nagging problem over time, so the company looked for alternatives. After spending some time researching and prototyping, they decided to give Node.js a try. They started by developing the most heavily loaded account overview page in Node.js, but at the same time they developed the same application in Java to be sure. Should anything go wrong with the Node app, they would have a backup plan on hand. Later, the company admitted that it wrote its first Node.js application twice as fast as its Java counterpart. It was built with 40% less files and 33% less code.

The average response time in Node.js is about 35% slower than in Java, and Node handles twice as many requests per second.

Build A Simple Chat App With Node.js And Socket.io

Node.js helps us solve this problem by allowing both browsers and server applications to write JavaScript. It combines our engineering specializations into one team that allows us to understand and respond to the needs of our users at every level of the technology stack.

Thus, Node.js became a lifeline for the PayPal team as it provided them with development efficiency, speed, convenience and better performance.

E-commerce applications must be stable: they must withstand heavy data loads from multiple users searching their catalogs, placing orders, or processing payments. Node.js is ideal for large applications with many simultaneous user requests thanks to its non-blocking, event-driven I/O model. Examples of well-known eCommerce Node JS apps are eBay and Groupon.

Initially, eBay was built on a Java-based technology stack, with the entire workflow based on Java and the JVM. This set of technologies seemed like an obvious choice due to the heavy data load the system had to handle. In the end, the best decision would be to use a proven and trusted core technology to achieve stability and reliability. However, as the business grew in popularity, eBay had to scale its platform, and scalability is not Java’s strong suit. Then the company started exploring Node.js. They chose Node.js for three key reasons: developer flexibility, system scalability, and application performance.

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Avevamo due requisiti principali per il progetto. Firstly, to make the application work as real-time as possible, i.e. maintain live connections to the server. The second was to organize a huge number of eBay specific services that display information on the page, for example to handle I/O operations… After the success of the Node.js backend stack, the eBay platform team is now developing full support for the full frontend stack running on Node.js .

EBay never seems to stop growing and Node.js helps eBay on its endless uphill journey. Few applications enjoy the scalability of Node.js as much as Node.js.

Streaming is fast becoming one of the most lucrative branches of the entertainment industry. Like e-commerce applications, these platforms deal with heavy data flow and multiple requests occurring simultaneously. Fortunatamente, Node.js è qui per salvare la giornata.

Originally, Netflix was built with Java on the backend and JavaScript on the front, but writing the app in two languages ​​at once slowed down the development process significantly. The company switched to Universal JavaScript to combine backends and frontends in the same language and improve performance and speed. They opted for Node.js for the backend and React.js development services for the frontend. After all, this approach promised to make the development process easier with easy coding, debugging, and lots of open source packages and modules.

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With Node.js and React.js, we can render from the server and then render the changes in full on the client after passing the initial React.js markup and components to the browser. This flexibility allows an application to render exactly the same output regardless of the rendering location. The final separation no longer exists, and server and client are much less likely to differ from each other.

Today, Netflix is ​​the largest streaming service used by over 182 million people around the world. In particular, the move to Universal JS and Node.js enabled the company to handle large amounts of data and provide a user-friendly experience. It also allowed developers to make the necessary changes quickly and easily.

Social apps need to be reliable and scalable. On the one hand, they contain a lot of personal information: phone numbers and e-mail addresses at best, and financial information at worst. On the other hand, the system should expand as the network grows. Node.js provides excellent scalability, both horizontally and vertically. To scale horizontally, you can add new nodes to your existing system. To scale up, you can add more resources to existing nodes.

LinkedIn was originally built as a Ruby on Rails process based system. With the development of the company and the growing popularity of the platform, there was an urgent need for application scalability. However, Ruby on Rails is not the most scalable language and it would take a lot of time and money to expand the project. Ruby on Rails could not deliver the performance required by LinkedIn, was not optimized for JSON translation, and complicated the development of the LinkedIn mobile app. The engineering team wanted to replace RoR with some event-driven language or framework, such as EventMachine in Ruby or Twisted in Python. Alla fine, hanno scelto Node.js.

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Along the way, we discovered that Node was about 20 times faster than the one we were using, and it used less memory. Of course, Node.js also offers other benefits beyond the technical aspects. JavaScript is a language that many people understand and program freely. It also didn’t hurt that Node was in high demand at the time, and still is. In a way, it makes it easier for me to recruit.

Kiran Prasad also admitted that Node.js won his sympathy because it facilitates and speeds up the coding process. He claims that it only takes 20-100 milliseconds for Node to launch the application and at least 15-30 seconds for the Rails console itself to appear. Plus, Node.js is generally lighter, thinner, and faster.

Moving to Node.js was a significant technical shift for the LinkedIn team. However, this change turned out to be a good thing. This is proven by the exceptional performance and reliability of the LinkedIn platform

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