JavaScript is a modern scripting language that is popular worldwide among developers. It is a lightweight, interpreted compiled language that can be used on both client-side as well as the server side. It was invented in the year 1995 by Brendan Eich. Over the years the language has improved a lot and a lot of new features have been added which make the coding process even easier. This language became an ECMA standard in the year 1997.
We will discuss the various Javascript versions, their features as well as the release date in the table below.
| Version | Name | Release Year | Features |
|---|---|---|---|
| ES1 | ECMAScript 1 | 1997 | Initial Release |
| ES2 | ECMAScript 2 | 1998 | Minor Editorial Changes |
| ES3 | ECMAScript 3 | 1999 | Added:Regular Expressiontry/catchException Handlingswitch case and do-while |
| ES4 | ECMAScript 4 | Abandoned due to conflicts | |
| ES5 | ECMAScript 5 | 2009 | Added:JavaScript “strict mode”JSON supportJS getters and setters |
| ES6 | ECMAScript 2015 | 2015 | Added:let and constClass declarationimport and exportfor..of loopArrow functions |
| ES7 | ECMAScript 2016 | 2016 | Added:Block scope for variableasync/awaitArray.includes functionExponentiation Operator |
| ES8 | ECMAScript 2017 | 2017 | Added:Object.valuesObject.entriesObject.getOwnPropertiesDescriptors |
| ES9 | ECMAScript 2018 | 2018 | Added:spread operatorrest parameters |
| ES10 | ECMAScript 2019 | 2019 | Added:Array.flat()Array.flatMap()Array.sort is now stable |
| ES11 | ECMAScript 2020 | 2020 | Added:BigInt primitive typenullish coalescing operator |
| ES12 | ECMAScript 2021 | 2021 | Added:String.replaceAll() MethodPromise.any() Method |
| ES13 | ECMAScript 2022 | 2022 | Added:Top-level awaitNew class elementsStatic block inside classes |
| ES.Next | Dynamic name for upcoming versions |
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