Q
What is the difference in scope between variables declared with 'var' and 'let' in JavaScript loops?

Answer & Solution

Answer: Option B
Solution:
In JavaScript, 'var' is function-scoped, meaning it is accessible within the entire function, while 'let' is block-scoped, limiting its accessibility to the block it is defined in.
Related Questions on Average

What is the consequence of using a variable declared with 'const' inside a loop in JavaScript?

A). It can be reassigned

B). It cannot be reassigned

C). It can be redeclared

D). It is hoisted

In Python, what happens to a variable declared inside a loop after the loop terminates?

A). It gets destroyed

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

A). var

B). let

C). const

D). Both let and const

In which programming language is a variable declared inside a loop accessible outside the loop?

A). JavaScript with var

B). Python

C). C++

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In Java, what happens if you declare a variable inside a for loop?

A). It becomes global

B). It is accessible only within the loop

C). It is accessible throughout the class

D). It throws an error

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

A). Global

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C). Block-scoped

D). Script-scoped

What is the scope of a variable declared inside a loop?

A). Global

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D). Local to the script

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

A). It is still accessible

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What is the scope of a variable declared with 'var' inside a loop in JavaScript?

A). Global

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In C++, where can a variable declared inside a for-loop be accessed?

A). Only within the loop

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