1. String reverse without using pre- defined functions 2. Generate random characters upto 8 3. Simple Todo app in react

array question.1) [0,1,2,1,1,0,0,2,1,0,0,2]. print this as [0,0,0,0,0,2,2,2,1,1,1,1] 2) javascript and react js interview questions a)what is closure b)what is redux c)what is pure component d)how can we pass data from one component to another anws is props and context e) what is cors