is it important to learn ECMAScript 6 to be able to write games and web apps

Answer 1

No it's not important. Es6 just makes JavaScript more Easy and flexible
You can use The older blueprint for classes function ClassName(){
}
But Es6 makes it easier

Answer 2

ECMAScript 6 is very hard
Pls how do I understand creating games with javascript

Answer 3

Adeniyi you will have to learn about the Classes then

Answer 4

Abdulrahman Abdulhakeem Try to Learn Canvas

Answer 5

ES6 is of no use if you know classes etc,.

Answer 6

UTKARSH SHARMA ES6 came with classes if you don't know