What will be the output of the code above?

Which statement about JavaScript's const is true?

A). const variables can be redeclared

B). const variables are globally scoped

C). const variables are mutable

D). const variables cannot be reassigned

What will be the output of the code above?

A). 30

B). 31

C). TypeError

D). Undefined

What does the const keyword signify in JavaScript?

A). Constant variable

B). Mutable variable

C). Global variable

D). Block-scoped variable

Which of the following is NOT an example of a block in JavaScript?

A). Function body

B). if statement body

C). while loop body

D). Object literal

Which of the following statements is true about constants declared using const?

A). They can be reassigned multiple times

B). They are hoisted to the top

C). They are mutable

D). They are immutable

Which of the following statements is true about block scope in JavaScript?

A). Variables declared with let have global scope

B). Variables declared with let have function scope

C). Variables declared with let are block-scoped

D). Variables declared with let are hoisted

What is the primary distinction between const and let in JavaScript?

A). const variables are immutable

B). let variables are block-scoped

C). const variables have function scope

D). let variables can be reassigned

How can you declare a constant named PI with a value of 3.14 in JavaScript using const?

A). const PI = 3.14;

B). PI = 3.14;

C). let PI = 3.14;

D). var PI = 3.14;

What happens if you try to reassign a value to a constant declared using const?

A). SyntaxError

B). TypeError

C). ReferenceError

D). No error, value is reassigned

In JavaScript, const variables are not hoiste What does this mean?

A). They are hoisted to the top of the block

B). They cannot be used before declaration

C). They are accessible in nested scopes

D). They are block-scoped variables