Which data type represents a collection of values in JavaScript?
A). Object
B). Array
C). String
D). Number
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
Which of the following represents a complex data type in JavaScript?
A). Boolean
B). Undefined
C). Null
D). Array
What is a complex data type in JavaScript?
A). Number
B). Object
C). String
D). Boolean
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.
What is the result of typeof [] in JavaScript?
A). object
B). array
C). list
D). string
How do you access an array element at a specific index in JavaScript?
A). Using square brackets notation (arrayName[index])
B). Using dot notation (arrayName.elementName)
C). Using parentheses notation (arrayName(index))
D). Using curly braces notation (arrayName{index})
Which of the following statements accurately describes an object in JavaScript?
A). Objects are ordered collections of elements.
B). Objects are collections of key-value pairs.
C). Objects are sequences of characters.
D). Objects are single values.
How do you define a function in JavaScript using a function declaration?
A). function myFunction() { /* code */ }
B). myFunction = function() { /* code */ }
C). myFunction() { /* code */ }
D). myFunction: function() { /* code */ }