Advance ReactJS MCQ Interview Question’s & Answer’s

Advance ReactJS

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In ES6 – Which keyword is used to define a constant?

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In ES6 – let has a block scope.

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In ES6 – let is the block scoped version of ____.

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Which is used to pass data to components from outside?

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In ES6 – var has a function scope, not a block scope?

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In ES6 – Which are the keywords to define variables?

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With an arrow function – this keyword represents _____.

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Which is the correct arrow function to add two numbers?

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Consider the below function – which is the correct syntax of arrow function?

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In ES6 – Why arrow functions are used?

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