Thread by @swapnakpanda

💙 Popular JavaScript Engines

⇰ V8
↳ Chrome
↳ Brave
↳ Opera
↳ Microsoft Edge
↳ Node.js
⇰ SpiderMonkey
↳ Firefox
↳ MongoDB
⇰ JavaScriptCore
↳ Safari
⇰ Chakra
↳ IE

✪ Popular Browser Engines ⇩

💜 Popular Browser Engines

⇰ Gecko
↳ Firefox
⇰ Webkit
↳ Safari
↳ Chrome for iOS
↳ Firefox for iOS
↳ Microsoft Edge for iOS
⇰ Blink
↳ Chrome
↳ Opera
↳ Brave
↳ Microsoft Edge
⇰ Presto
↳ Opera (Old)
⇰ Trident
↳ IE

0️⃣ Definition

⇰ JavaScript Engine
✔️ A JavaScript engine is a software component that executes JavaScript code.

⇰ Browser Engine
✔️ A Browser Engine transforms HTML documents and other resources of a web page into an interactive visual representation on a user's device.

1️⃣ V8

✪ V8 is an open-source JavaScript engine developed by the Chromium Project for Google Chrome and Chromium web browsers.

✪ It has also been used in the server-side like Node.js.

✪ It's written using C++.

2️⃣ SpiderMonkey

✪ It's the very first JavaScript engine, written by Brendan Eich in 1995 (in 10 days).

✪ It was initially used in Netscape Navigator and later in Firefox browsers.

✪ It's currently maintained by Mozilla Foundation.

✪ It's written using C, C++ and Rust.

3️⃣ JavaScriptCore

✪ JavaScriptCore is originally derived from KDE's JavaScript engine (KJS) library and the PCRE regular expression library.

✪ It's being maintained by Apple.

✪ It's written in C++.

4️⃣ Gecko

✪ Gecko was initially developed at Netscape for Netscape Navigator browser.

✪ Later it became open-source and maintained by Mozilla Foundations.

✪ It's written in C++, JavaScript and Rust.

5️⃣ Webkit

✪ WebKit's HTML engine (WebCore) started as a fork of the KHTML library from KDE.

✪ It's maintained by Apple.

✪ It's written in C++.

✪ It's mostly used in Safari browsers. Initially Google Chrome and other Chromium browsers were using it as well.

6️⃣ Blink

✪ It's a browser engine developed as part of the Chromium project.

✪ It's a fork of the WebCore component of Webkit.

✪ It's written in C++.

✪ It's initially used in Google Chrome. And later other chromium browsers (Opera, Brave, Microsoft Edge) started using it.