EMCA - a Standard for a Scripting Language

ES2009 aka EMCAScript5

ES2015 aka EMCAScript6

Big changes including arrow functions

References

• http://es6-features.org/#Constants – one page per feature
• https://css-tricks.com/lets-learn-es2015/ - good summary article

ES2016

ES2017

Async Functions

• https://flaviocopes.com/es2017/

ES2018

Regular Expressions

• https://flaviocopes.com/es2018/

ES2019

• https://dev.to/maggieappleton/a-fresh-serving-of-javascript-es2019-5hf6 - good graphical website. Makes it easy to understand.