ecma-262 6.0 class

ecma-262-6.0-class.md

How To Reading ECMA-262

http://www.ecma-international.org/ecma-262/6.0/#sec-class-definitions

14.5 Class Definitions

Syntax

ClassDeclaration[Yield, Default] :
    class BindingIdentifier[?Yield] ClassTail[?Yield]
    [+Default] class ClassTail[?Yield]
    
ClassExpression[Yield] :
    class BindingIdentifier[?Yield]opt ClassTail[?Yield]
    
ClassTail[Yield] :
    ClassHeritage[?Yield]opt { ClassBody[?Yield]opt }
    
ClassHeritage[Yield] :
    extends LeftHandSideExpression[?Yield]
    
ClassBody[Yield] :
    ClassElementList[?Yield]
    
ClassElementList[Yield] :
    ClassElement[?Yield]
    ClassElementList[?Yield] ClassElement[?Yield]
    
ClassElement[Yield] :
    MethodDefinition[?Yield]
    static MethodDefinition[?Yield]
    ;

NOTE A ClassBody is always strict code.

blogs

https://chadaustin.me/2012/12/javascript-new-operator-ecma-262/

https://stackoverflow.com/questions/2738736/confused-with-ecmascript-language-specification-function-calls-section

http://stackoverflow.com/questions/761905/how-will-ecma-262-ecmascript-5-help-you

https://blog.appdynamics.com/engineering/7-ways-es2015-can-improve-your-javascript-programing/

https://leanpub.com/understandinges6/read

https://lightrains.com/blogs/es6#classes