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JavaScript for Beginners Online Mock Test
Test your web engineering expertise: HTML5, CSS3/Tailwind, JavaScript ES6+, React.js hooks, Node.js, Express, MongoDB, and REST API design.
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JavaScript for Beginners — Official Mock Assessment
20:00
JavaScript ES6
Question 1 of 15
What is the main difference between let and const in JavaScript?
Alet has block scope while const has global scope
Bconst variables cannot be reassigned while let variables can
Clet is hoisted but const is not
Dconst can only store numbers
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Topics Evaluated in this JavaScript for Beginners Test
Questions are aligned with practical industry expectations and MSK Institute’s syllabus standards.
JavaScript ES6JavaScript AsynchronousReact HooksReact State ManagementNode.js & ExpressMongoDB & DatabaseREST API DesignCSS FlexboxHTTP Status CodesJWT AuthenticationReact Props vs StateHTML5 Semantic ElementsNode.js RuntimeMongoDB QueriesCORS & Security
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