React JS/React JS Mcq Question Set 1 MCQs :- multiple choice questions and answers. e.g React JS MCQS,React JS Mock Tests , React JS Practice Papers ,React JS Sample Test,React JS Sample questions

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Question 1: What is React.js?

Open-source JavaScript back-end library

JavaScript front-end library to create a database

Free and open-source JavaScript front-end library

None of the mentioned

Total MCQS Questions are 45 in this paper React JS Mcq Question Set 1
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R4R provides React JS Multiple choice questions and answers (React JS MCQs) .The questions on R4R.co.in website is done by expert team! Mock Tests and Practice Papers for prepare yourself.. Mock Tests, Practice Papers,React JS Mcq Question Set 1,React JS MCQS,React JS Objetive choice questions and answers,React JS Multiple choice questions and answers,React JS objective, React JS questions , React JS answers,React JS MCQs questions and answers