Javascript question

1. New features in ES 2. Data Types in Javascript 3. Undefined and null 4. Array methods 5. String methods 6. Object methods 7.How do you clone objects 8.Map reduce and filter 9.Call, apply and bind

10.Hoisting 11.Variable Hoisting 12.Lexical Scope 13.Closures 14.Diff between and 15.Let, Const and var 16.Create vs Assign 17.Use Strict 18.Prototypical Inheritance 19.Prototype chain 20.Event bubbling