JavaScript vs Node.js

Difference Between JavaScript vs Node.js

When it comes about the web development technology, javascript is the primary interpreted programming language which is high level, weakly typed, dynamic, prototype-based and multi-paradigm. Javascript is also among the three core technologies of the world wide web which enables interactive web pages. All major web browsers and websites have a dedicated JS engine to execute it. It supports an event-driven, imperative and a functional programming style construct.

Node.js, on the other hand, is a cross-platform, open source runtime environment which is helpful in executing javascript code on the server side. If you talk about the earlier versions of Javascript, it was primarily a client-side scripting language where the code was embedded inside the web page’s HTML and the engine was inside the browser. Now it is used as a server-side scripting language to produce a dynamic web-based content before the web page is rendered onto the user’s web browser. It aims to unify the web application development experience which revolves around a single programming language.

The javascript has the API which is used for working with arrays, text, regular expressions, dates and basic level of DOM manipulation. The best feature which makes javascript a popular language is that it doesn’t include the I/O such as graphics facilities, networking, storage, etc. They all are dependent on the embedded host environment. Earlier javascript was only implemented as a client-side in web browsers, today the engines are embedded in other types of host software which essentially includes server-side scripting in web servers and databases. They are also embedded in non-web programs like PDF, word processors and also in runtime environment which makes JS available for writing desktop as well as mobile applications along with desktop widgets.

.js in node.js is a conventional filename extension which is merely the name of the product. It has an event-driven architecture which has the feature of handling the I/O. The design choices are aimed to optimize the scalability, throughput and reduce latency as there becomes a rise in the usage of the input/output operations and real-time web-based applications such as browser-based games and real-time communication systems and programs.

There are strong similarities between JavaScript vs node.js including parameters such as name, syntax, standard libraries, etc. but both JavaScript vs node.js vary greatly in implementation and design and they are also influenced with programming languages such as Scheme and Self. Let us look at the difference between JavaScript and node.js in detail.

Head To Head Comparison Between JavaScript vs Node.js (Infographics)

Below is the top 9 difference between JavaScript vs Node.js

Key differences between JavaScript vs Node.js

Both JavaScript vs Node.js are popular choices in the market; let us discuss some of the major Difference Between JavaScript and Node.js:

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1. Javascript is a cross-platform, open-source, lightweight, interpreted scripting programming language which is used majorly for client-side scripting. It is integrated into Java and HTML and therefore it is used for creating network-centric applications whereas Node.js is built on Google Chrome V8 engine and is a server-side scripting language. It is distributed in nature and used for data-intensive real-time applications.
2. A simple Javascript program is alert(“hey there!”);.This will be put inside the script tags on the HTML page and tells the web browser of the user to interpret it as the code for javascript such as script alert(“Hey there!”); which then makes a small alert box whereas in case of your node on your REPL, all you need to write is node and your interpreter is good to go. For example,
   > node
   > 1+5
   6
3. The upside of Javascript includes the main features such as a huge set of interfaces and interactivity along with just the right amount of server interaction and provides immediate feedback to visitors whereas the node.js has more than 550 modules in its node package manager along with the provision of concurrent request handling. It also has a unique feature of supporting the microservice architecture along with the support for IoT.

JavaScript vs Node.js Comparison Table

Below is the topmost comparison between JavaScript vs Node.js

Conclusion – JavaScript vs Node.js

JavaScript vs Node.js are way different to be compared. One is the basis of all the primary web development languages while the server side scripting languages. To choose the right set of technology depends on the work type your project requires and the resources support. I hope now you must have got a fairer idea of both JavaScript vs Node.js technologies. Stay tuned to our blog for more articles like these.

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