1. Hoisting 2. Scope 3. Lexical scope 4. Closure with a example 5. High order function (map,filter,reduce) with examples 6. Diff b/w callback hell and Promise 7. Promise and Promise types 8. Async and await 9. Prototype Inheritance with example 10. Denounce 11. Event Propagation and Even Delegation 12. polyfills 12. Write code for i/p = ‘aabbbbccccc’ o/p = {a:2,b:4,c:5} using reduce. 13. Using reduce addition and multiplication program on a given array. CSS 1. positions 2. CSS pre processors 3. Zindex 4. Responsiveness in all devices
