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 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
Which of the following is a benefit of declaring multiple variables in one statement?
A). Improved code organization
B). Reduced code execution time
C). Increased variable scope
D). Limited variable reusability
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
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 does the term 'One Statement, Many Variables' refer to in JavaScript?
A). Declaring multiple variables with different data types in one statement
B). Initializing multiple variables with the same value in one statement
C). Declaring multiple variables with the same data type in one statement
D). Assigning multiple values to one variable in one statement
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
Which keyword is commonly used to declare multiple variables in one statement in JavaScript?
A). multi
B). var
C). multi
D). let
What is the purpose of initializing multiple variables with the same value in one statement?
A). To save memory
B). To ensure all variables have the same value
C). To increase code complexity
D). To reduce typing
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