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JavaScript vs Node JS

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JavaScript vs Node JS

Differences Between JavaScript vs Node JS

JavaScript is a programming language, which runs in web browsers. Whereas Node.js is an interpreter or running environment for JavaScript which holds a lot of requiring libraries and all. JavaScript is basically one standard defining programming language, it can run any browser with default browser running environment. It is a very strong language normally used for a web application on any verification or for any specific business logic which we need to append in the screen without page refreshing. JavaScript also helps for using Ajax at any time which helps us to call any server-side script for given dynamic data based on the requirement. It also helps with generating dynamic HTML tables based on business requirement. JQuery is one of the popular libraries to make comfortable use of JavaScript by avoiding to write a lot of code.

Node.js also holds a lot of relative libraries which we normally use in javascript for general purpose programming language. It is actually a kind of environment or interpreter which can represent JavaScript or run any javascript program. It mainly helps us for executing some non-blocking operation like some operating system special information like certificate details or hardware details, we may use node js on the same, which help us to do it and JavaScript normal programming will not help us on the same. Normally all browsers have JavaScript engine that helps us to run javascript in a web browser. Spider monkey (FireFox), JavaScript Core (Safari), V8 (Google Chrome) are some popular javascript engine using verities browsers. But node js is using V8 engine directly, with some libraries to do some I/O or networking operations. It actually helps us to use JavaScript from outside of the browser like create, write or execute one shell script, some backend services or run on hardware. Let us understand  JavaScript vs Node JS in a detail.

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Head to Head Comparison Between JavaScript and Node JS

Below is the Top 3 Comparisons Between JavaScript and Node JS:

JavaScript vs Node JS

Key Differences Between JavaScript vs Node JS

Below is the list of points describe the difference between JavaScript and Node JS

  1. JavaScript is a simple programming language which runs in any browser JavaScript Engine. Whereas Node JS is an interpreter or running environment for a JavaScript programming language which holds a lot of excesses require libraries which can easily be accessed from JavaScript programming for better use.
  2. JavaScript is normally used for any client-side activity for one web application. Activity can be addressing business validation or dynamic page display in some schedule time interval or basic Ajax call kind of task. Those are used on a maximum time for any web application. Whereas Node JS mainly used for accessing or running any operating system for non-blocking operation. An operation like create or executing shell script, or getting some specific hardware related information on one call or installed certificate details in the system or lot of define task which are non-blocking on an operating system.
  3. JavaScript running in any engine like Spider monkey (FireFox), JavaScript Core (Safari), V8 (Google Chrome). So JavaScript programming is very easy to write and put any running environment means proper browser. Whereas Node JS only support V8 engine which googles chrome specific. But whether it support V8 engine, written JavaScript code can able to run in any environment. So there has no browser specific constraint on it.
  4. JavaScript is normally following Java Programming language standard. There may have some different way of writing code but at the same time, we can say it following Java Programming language standard. Whereas node JS is written in C++, and provide V8 engine base browser javascript running engine which helps us to run written javascript program in any browser environment.
  5. For accessing any operating system specific non-blocking task JavaScript has some specific object but all of them are operating system specific. An example is ActiveX Control which is only running in Windows. But Node JS is given utility to run some operating system specific non-blocking tasks from any JavaScript programming. It doesn’t have any operating system specific constant. Node JS is very much familiar to create a specific binding with the file system, and also allowing developer for reading or sometimes write on disk.

JavaScript and Node JS Comparison Table

Following is the comparison table between JavaScript and Node JS.

Basis Of Comparison Between JavaScript vs Node JS JavaScript Node JS
Type JavaScript is a programming language. It running in any web browser with a proper browser engine. It is an interpreter and environment for JavaScript with some specific useful libraries which JavaScript programming can use separately.
Utility Mainly using for any client-side activity for a web application, like possible attribute validation or refreshing the page in a specific interval or provide some dynamic changes in web pages without refreshing the page. It mainly used for accessing or performing any non-blocking operation of any operating system, like creating or executing a shell script or accessing any hardware specific information or running any backend job.
Running Engine JavaScript running any engine like Spider monkey (FireFox), JavaScript Core (Safari), V8 (Google Chrome). Node JS only run in a V8 engine which mainly used by google chrome. And javascript program which will be written under this Node JS will be always run in V8 Engine.

Conclusion

JavaScript is a very popular programming language which generally used for any web application developer. So very easy to find a resource on the same for work on JavaScript and do some specific development on it. Node JS is some extension of JavaScript libraries, but it came with some undefined utilities like non-blocking operating system activity which sometimes very much require for meeting some organization requirement. For security purpose as of now it is a very common requirement to catch original MAC IP of all the application user every time, and inform them or maintain audit trail with proper information how many system users normally used to log in their application and at what time. And security purpose sometimes it displaying to the user that you have logged in from different PC.

Recommended Articles

This has been a guide to the top difference between JavaScript vs Node JS. Here we have discussed JavaScript vs Node JS head to head comparison, key difference along with infographics and comparison table. You may also have a look at the following articles –

  1. Java vs Node JS
  2. Angular JS vs Node JS
  3. JavaScript vs Ruby
  4. JavaScript vs Node.js

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