What is a function in JavaScript?
A). A variable
B). A loop
C). A block of code that performs a specific task
D). An object
What is the return statement used for in a function?
A). To stop the execution of the function
B). To specify the function's name
C). To return a value from the function
D). To define object properties
What is the result of typeof [] in JavaScript?
A). object
B). array
C). list
D). string
Which of the following represents a complex data type in JavaScript?
A). Boolean
B). Undefined
C). Null
D). Array
How do you access a property of an object in JavaScript?
A). Using dot notation (objectName.propertyName)
B). Using square brackets (objectName['propertyName'])
C). Both A and B
D). Neither A nor B
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 the purpose of using functions as values in JavaScript?
A). To define object properties
B). To store strings and numbers
C). To perform a specific task or operation
D). To represent complex data structures
What is the purpose of using the length property with arrays in JavaScript?
A). To access the last element of the array.
B). To add elements to the array.
C). To determine the number of elements in the array.
D). To access the first element of the array.
Which data type represents a collection of values in JavaScript?
A). Object
B). Array
C). String
D). Number
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