Answer & Solution
Answer: Option C
Solution:
The correct syntax is to separate variable declarations with commas and end the statement with a semicolon.
Q
What is the syntax for declaring multiple variables in one statement using the let keyword?
Related Questions on Average
Which keyword is commonly used to declare multiple variables in one statement in JavaScript?
A). multi
B). var
C). multi
D). let
Which of the following statements is true regarding variable naming in one statement?
A). Variable names can contain spaces
B). Variable names must start with a digit
C). Variable names can start with an underscore
D). Variable names must be unique within the statement
In JavaScript, which of the following data types can be declared using let in one statement?
A). Number
B). String
C). Object
D). All of the above
What is the result of the expression let x = 10, y = x++;?
A). x is 10, y is 11
B). x is 11, y is 10
C). x is 10, y is 10
D). x is 11, y is 11
How does JavaScript interpret the statement let a, b = 5, c;?
A). Declares a, initializes b to 5, declares c
B). Declares and initializes a to 0, initializes b to 5, declares c
C). Declares a, initializes b to undefined, declares c
D). Declares and initializes a, b, and c to 0
Consider the code: let a, b, c;. What will console.log(a); output?
A). a
B). undefined
C). null
D). 0
What happens if you declare multiple variables in one statement without initializing them?
A). It throws a syntax error
B). It initializes all variables to 0
C). It initializes all variables to null
D). It initializes all variables to undefined
What is the outcome of the code let x = 10, y = 5, x = 20;?
A). x is 10, y is 5
B). x is 20, y is 5
C). Syntax error due to variable redeclaration
D). x is 20, y is 10
Which of the following is a disadvantage of declaring multiple variables in one statement?
A). Increased code readability
B). Difficulty in tracking variable values
C). Limited variable scope
D). Reduced memory usage
What is the behavior of the code let a, b = 5, c = b;?
A). b and c are initialized to 5, a is initialized to undefined
B). a, b, and c are initialized to 5
C). b is initialized to 5, c is initialized to undefined, a is initialized to 5
D). a and c are initialized to 5, b is initialized to undefined