ESX (e.g. ES5, ES6, ES10) refers to versions of JS. Every new version adds some new features. If you find a tutorial that teaches ES6, it'll still be broadly applicable to ES10, it might just turn out that there are better ways to do one or two of the things you learn. That being said, learning the "old way" will still make it much easier to learn the "new way." Answer from PPewt on reddit.com
🌐
W3Schools
w3schools.com › js › js_es6.asp
JavaScript 2015 (ES6)
The second major revision to JavaScript. ECMAScript 2015 is also known as ES6.
🌐
JavaScript Tutorial
javascripttutorial.net › home › es6 tutorial
ES6 Tutorial
June 18, 2021 - ECMAScript 2015 or ES2015 is a significant update to the JavaScript programming language. It is the first major update to the language since ES5 which was standardized in 2009. Therefore, ES2015 is often called ES6.
People also ask

What does ES6+ mean in JavaScript?
ES6+ refers to ECMAScript 2015 and later versions of JavaScript that introduced modern language features such as classes, arrow functions, modules, promises, and more.
🌐
sencha.com
sencha.com › home › blog › the ultimate guide to javascript es6+ features you must know
The Ultimate Guide to JavaScript ES6+ Features You Must Know
How does ES6+ help Ext JS development?
ES6+ helps Ext JS developers write cleaner, more concise, and more maintainable code, especially in utility functions, async workflows, data handling, and modular organization.
🌐
sencha.com
sencha.com › home › blog › the ultimate guide to javascript es6+ features you must know
The Ultimate Guide to JavaScript ES6+ Features You Must Know
Can ES6+ modules be used with Ext JS?
Yes. Understanding ES6+ modules is useful for organizing code and integrating Ext JS with broader JavaScript tooling and application ecosystems.
🌐
sencha.com
sencha.com › home › blog › the ultimate guide to javascript es6+ features you must know
The Ultimate Guide to JavaScript ES6+ Features You Must Know
🌐
GeeksforGeeks
geeksforgeeks.org › javascript › introduction-to-es6
Introduction to ES6 - GeeksforGeeks
June 11, 2026 - ES6, or ECMAScript 2015, is the 6th version of the ECMAScript programming language. ECMAScript is the standardization of JavaScript, which was released in 2015 and subsequently renamed as ECMAScript 2015.
🌐
Programiz
programiz.com › javascript › ES6
JavaScript ES6
ES6 (ECMAScript2015) is the sixth edition of JavaScript with improved features and syntaxes. In this tutorial, you will learn about JavaScript ES6 with the help of examples.
🌐
Mimo
mimo.org › glossary › javascript › es6
JavaScript ES6: Usage and Examples
JavaScript ES6, or ECMAScript 2015, introduced new features that made JavaScript more efficient and easier to work with. These features include let and const for variable declarations, arrow functions, template literals, and classes.
🌐
Medium
medium.com › @rohitkuwar › javascript-es6-features-every-developer-should-know-0ab1ce227430
JavaScript ES6 Features Every Developer Should Know | by Rohit Kuwar | Medium
August 12, 2025 - JavaScript has evolved significantly over the years, and one of the most impactful updates was ES6 (ECMAScript 2015). With ES6, JavaScript introduced several features that make writing clean, efficient, and modern code easier.
Find elsewhere
🌐
Sencha
sencha.com › home › blog › the ultimate guide to javascript es6+ features you must know
The Ultimate Guide to JavaScript ES6+ Features You Must Know
May 21, 2026 - When developers say “modern JavaScript,” they usually mean features such as: ... These features have become standard tools in professional development. One of the first ES6 improvements most developers learn is the introduction of let and const.
🌐
Talent500
talent500.com › blog › what-is-es6-javascript-guide
What is ES6 in JavaScript? A Comprehensive Guide to ECMAScript 2015
January 29, 2025 - ES6, short for ECMAScript 6, is the 6th version of the ECMAScript standard that underpins JavaScript. Before ES6, JavaScript lacked several key features present in other programming languages, such as proper modularity, predictable scoping, ...
🌐
GitHub
github.com › lukehoban › es6features
GitHub - lukehoban/es6features: Overview of ECMAScript 6 features · GitHub
ECMAScript 6, also known as ECMAScript 2015, is the latest version of the ECMAScript standard. ES6 is a significant update to the language, and the first update to the language since ES5 was standardized in 2009.
Starred by 29K users
Forked by 2.8K users
🌐
Web Reference
webreference.com › javascript › es6
ES6 JavaScript key features
ECMAScript 6 (ES6), also known as ECMAScript 2015, is one of the most important updates in JavaScript history. It introduced several new features and syntax improvements.
🌐
TutorialsPoint
tutorialspoint.com › es6 › index.htm
ES6 Tutorial
It was initially created to standardize JavaScript, which is the most popular implementation of ECMAScript. This tutorial adopts a simple and practical approach through JavaScript to describe the new features in ECMAScript 2015 (ES6), ECMAScript 2016 (ES7), ECMAScript 2017(ES8) and ECMAScript ...
🌐
Codecademy
codecademy.com › article › javascript-versions
JavaScript Versions: ES6 and Before | Codecademy
To fully distinguish the difference ... you see ES6 or JavaScript ES6, it means that that version of JavaScript is following the specifications in the sixth edition of ECMAScript!...
🌐
Medium
medium.com › @shubham3480 › features-introduced-in-es6-e8b10bd93150
Features introduced in ES6. ES6 or the ECMAScript 2015 is the 6th… | by Shubham Gupta | Medium
September 11, 2023 - ES6 or the ECMAScript 2015 is the 6th and major edition of the ECMAScript language specification standard. It defines the standard for the implementation of JavaScript and it has become much more popular than the previous edition ES5.
🌐
Medium
medium.com › @kevinmavani › javascript-es6-features-fe24ebef8bed
JavaScript ES6 Features. Unlock the Power of ES6: Explore the… | by Kevin Mavani | Medium
October 16, 2023 - JavaScript ES6 Features What is ECMAScript 6 (or ES6) ECMAScript 6 (ES6), also known as ECMAScript 2015, is a crucial milestone in the evolution of the JavaScript programming language. ES6 introduced …
🌐
DEV Community
dev.to › codingcrafts › javascript-es6-features-every-developer-should-know-12ak
JavaScript ES6 Features Every Developer Should Know. - DEV Community
September 4, 2024 - JavaScript has evolved significantly over the years. With the introduction of ECMAScript 6 (ES6), developers gained access to a host of new features and improvements that have transformed the way JavaScript code is written and maintained. In this article, we will explore the essential ES6 features that every developer should be familiar with.
🌐
Board Infinity
boardinfinity.com › blog › top-10-features-of-es6
Top 10 Features of ES6: A Comprehensive Guide
May 18, 2021 - ES6 features are the major JavaScript ... block-scoped variables, arrow functions, classes, modules, promises, destructuring, template literals, enhanced parameters, iterators, generators, collections, and symbols...
🌐
Medium
medium.com › @ehuerikenbaba › es6-the-javascript-revolution-that-changed-modern-web-development-256de24cee06
ES6: The JavaScript Revolution That Changed Modern Web Development | by Ehueriken Samuel obuse | Medium
April 2, 2025 - One of the most significant milestones in its evolution was the release of ECMAScript 2015, commonly known as ES6. This update introduced a wealth of new features and syntax improvements that revolutionized how developers write JavaScript code.
🌐
freeCodeCamp
freecodecamp.org › news › write-less-do-more-with-javascript-es6-5fd4a8e50ee2
JavaScript ES6 — write less, do more
April 20, 2018 - JavaScript ES6 brings new syntax and new awesome features to make your code more modern and more readable. It allows you to write less code and do more. ES6 introduces us to many great features like arrow functions, template strings, class ...
🌐
Playcode
playcode.io › javascript › es6
JavaScript ES6 Features: Complete Modern JS Guide | Playcode
Master ES6+ JavaScript features: let/const, arrow functions, template literals, destructuring, spread operator, classes, modules, promises, and more with practical examples.