Answer & Solution
Answer: Option B
Solution:
Arrays are used in JavaScript to store multiple values of any data type, allowing for easy access and manipulation of collections of data.
Q
What is the purpose of using arrays in JavaScript?
Related Questions on Average
What does the push() method do when used with an array in JavaScript?
A). Removes the last element from the array.
B). Adds elements to the end of the array.
C). Adds elements to the beginning of the array.
D). Sorts the elements in the array.
What is an object in JavaScript?
A). A type of function
B). A collection of key-value pairs
C). A type of array
D). A type of boolean
How do you call a function in JavaScript?
A). Using the execute() method
B). Using the call() method
C). Using the run() method
D). By using the function name followed by parentheses
How do you define a method within an object in JavaScript?
A). By using the function keyword followed by the method name and code block.
B). By using the method keyword followed by the method name and code block.
C). By using the define keyword followed by the method name and code block.
D). By using the process keyword followed by the method name and code block.
Which of the following represents a complex data type in JavaScript?
A). Boolean
B). Undefined
C). Null
D). Array
What is the purpose of parameters in a function?
A). To store values
B). To specify the function name
C). To receive inputs and data
D). To create loops
Which data type represents a collection of values in JavaScript?
A). Object
B). Array
C). String
D). Number
What is the result of typeof [] in JavaScript?
A). object
B). array
C). list
D). string
How can you remove the last element from an array in JavaScript?
A). Using the pop() method.
B). Using the shift() method.
C). Using the unshift() method.
D). Using the removeLast() method.
What is a complex data type in JavaScript?
A). Number
B). Object
C). String
D). Boolean