Q
Which of the following keywords can be used to declare a block-scoped variable in JavaScript?

Answer & Solution

Answer: Option D
Solution:
In JavaScript, 'let' and 'const' keywords are used to declare block-scoped variables.
Related Questions on Average

In Swift, how are variables declared inside a loop scoped?

A). Global

B). Function-scoped

C). Block-scoped

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In C#, what is the scope of a variable declared inside a foreach loop?

A). Block-scoped

B). Global-scoped

C). Function-scoped

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A). Yes

B). No

C). Sometimes

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In JavaScript, which of the following creates a block-scoped variable within a loop?

A). var

B). let

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C). It becomes undefined

D). It throws an error

In Go, what happens to a variable declared inside a loop after the loop ends?

A). It is still accessible

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In PHP, what is the scope of a variable declared inside a for loop?

A). Global

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A). Global

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A). JavaScript with var

B). Python

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D). All of the above