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
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
Consider the code: let a, b, c;. What will console.log(a); output?
A). a
B). undefined
C). null
D). 0
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 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 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
What happens if you declare variables with the same name in one statement?
A). It throws a syntax error
B). It creates separate variables with the same name
C). It assigns the same value to all variables with that name
D). It overwrites the existing variable with the same name
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
What is the syntax for declaring multiple variables in one statement using the let keyword?
A). let var1, var2, var3;
B). let var1 = value, var2 = value, var3 = value;
C). let var1 = value; let var2 = value; let var3 = value;
D). let (var1, var2, var3);