Answer & Solution
Answer: Option A
Solution:
The correct syntax to declare a constant named PI with a value of 3.14 is const PI = 3.14;, where const ensures PI remains constant throughout the program.
Q
How can you declare a constant named PI with a value of 3.14 in JavaScript using const?
Related Questions on Average
What will be the output of the code above?
A). 30
B). 31
C). Error
D). Undefined
What is the primary advantage of using block scope in JavaScript?
A). Reducing code size
B). Preventing variable hoisting
C). Avoiding global variables
D). Improving performance
What happens if you try to declare a const variable without initializing it immediately?
A). SyntaxError
B). ReferenceError
C). TypeError
D). No error, the variable remains undefined
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
What will happen when you try to execute this code?
A). 14 will be logged to the console
B). 14159 will be logged to the console
C). SyntaxError will occur
D). TypeError will occur
What will be the output of the code above?
A). 10
B). 20
C). Error
D). Undefined
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
Which of the following statements about const is true?
A). Variables declared with const can be reassigned
B). const variables have function scope
C). const variables cannot be used in loops
D). const variables are block-scoped
What will be the output of the code above?
A). 30
B). 31
C). TypeError
D). Undefined
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