But node js is using the V8 engine directly, with some libraries to do some I/O or networking operations. Spider monkey (FireFox), JavaScript Core (Safari), V8 (Google Chrome) are some popular javascript engine using verities browsers. Normally all browsers have a JavaScript engine that helps us to run javascript in a web browser. It mainly helps us execute 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 do it, and JavaScript normal programming will not help us on the same. It is actually a kind of environment or interpreter that can represent JavaScript or run any javascript program. ![]() Node.js also holds a lot of relative libraries, which we normally use in javascript for general purpose programming language. JQuery is one of the popular libraries to make comfortable use of JavaScript by avoiding to write a lot of code. It also helps with generating dynamic HTML tables based on business requirement. JavaScript also helps to use Ajax at any time, which helps us call any server-side script for given dynamic data based on the requirement. We need to append in the screen without page refreshing. It is a very strong language normally used for a web application on any verification or any specific business logic. JavaScript is basically one standard defining programming language it can run any browser with a default browser running environment. Whereas Node.js is an interpreter or running environment for JavaScript, which holds a lot of requiring libraries and all. JavaScript is a programming language, which runs in web browsers. Differences Between JavaScript vs Node JS
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