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What is the best programming language to learn in 2020

The one best programming language to learn these days and in the coming future

Node.js is a server-side platform developed by Ryan Dahl built on top of the Google Chrome V8 engine and its ECMAScript, which means most of the Node.js syntax is similar to front-end JavaScript including objects, functions, and methods.

Node is getting popular as a server-side platform and is used by Microsoft, Github, Yahoo!, IBM, Netflix, Mozilla, Cisco, Walmart, eBay, New York Times, NASA, PayPal, Medium, LinkedIn, Uber, Godaddy, The Wall Street Journal, Pinterest, Hp and much more.

Node.js allows the creation of web server and networking tools using javascript and a collection of “modules” that handle various core functionality.

Modules are provided for file system I/O, networking (DNS, HTTP, TCP, TSL/SSL, or UDP), binary data (buffers), functions, data stream and other core functions.Node.js’s modules use an API designed to reduce the complexity of writing server applications.

Node.js applications can run LINUX,macOS Microsoft windows on, none and UNIX nonstop servers.

They can alternatively be written as (a JavaScript alternative), dart or Microsoft data script (strongly typed forms of JavaScript), or any other language that compiles to javascript.

Node.js is primarily used to build network programs such as Web servers. The biggest difference between Node.js and PHP is that most functions in PHP block until completion (commands execute only after previous commands have completed).

while functions in Node.js are designed to be nonblocking(commands execute in parallel, and use callbacks to signal completion or failure).

The best features of Node.js

One of the main selling points of Node.js is speed. JavaScript code running on Node.js
(depending on the benchmark) can be twice as fast than compiled languages like C or Java,
and orders of magnitude faster than interpreted languages like Python or Ruby, because of its non-blocking paradigm.

Node.js runs JavaScript code. This means that millions of frontend developers that already
use JavaScript in the browser are able to run the server-side code and frontend-side code
using the same programming language without the need to learn a completely different tool.

The paradigms are all the same, and in Node.js the new ECMAScript standards can be used first, as you don’t have to wait for all your users to update their browsers – you decide which ECMAScript version to use by changing the Node.js version.

Node.js is Asynchronous platform

In traditional programming languages (C, Java, Python, PHP) all instructions are blocking by default unless you explicitly “opt in” to perform asynchronous operations.

If you perform a network request to read some JSON, the execution of that specific thread is blocked until the response is ready. JavaScript allows to make asynchronous and non-blocking code during a very simple way, by employing a single thread, callback functions and event-driven programming.

Every time an expensive operation occurs, we pass a callback function which will be called once we will continue with the processing. We’re not waiting for that to finish before going on with the rest of the program.

Such mechanism derives from the browser. We can’t wait until something loads from an AJAX request before being able to intercept click events on the page.

It all must happen in real time to provide a good experience to the user If you’ve created an “art-11”>This allows Node.js to handle thousands of concurrent connections with one server without introducing the burden of managing threads concurrency, which might be a serious source of bugs.

Node provides non-blocking I/O primitives, and usually , libraries in Node.js are written using non-blocking paradigms, making a blocking behavior an exception rather than the normal.

When Node.js must perform an I/O operation, like reading from the network, access a
database or the filesystem, rather than blocking the thread Node.js will simply resume the
operations when the response comes back, rather than wasting CPU cycles waiting.

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