Saama Technologies React Js Frontend Developer Interview Questions and Answers

Hackerrank react test on
1. MCQ- HTML,CSS, Javscript, Web fundamentals
2. Coding - React Context API code

Q1. React and Javascript basics
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Q2. React Design Pattern and Security handling
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Q3. HTML and CSS Fundamentals
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Q1. What is enums in typescript, difference between shallow and deep copy, what is virtual dom, what are closures, some psuedo codes, react machine coding. and other basic javascript questions.
Ans. 
Enums in TypeScript are a way to define a set of named constants. Shallow copy only copies the reference, while deep copy creates a new object. Virtual DOM is a lightweight copy of the actual DOM. Closures are functions that have access to their own scope and the scope of their containing function.
• Enums in TypeScript are used to define a set of named constants. For example, enum Color { Red, Green, Blue }

• Shallow copy c...read more
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Q1. Testing related questions, and other javascript and react questions.
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Q1. Java Script coding question
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Negative impacts of screen time