Answer & Solution
Answer: Option B
Solution:
Objects in JavaScript are indeed collections of key-value pairs, where each key is a unique identifier and each value can be of any data type.
Q
Which of the following statements accurately describes an object in JavaScript?
Related Questions on Average
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
What is the result of typeof [] in JavaScript?
A). object
B). array
C). list
D). string
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 */ }
Which of the following represents a complex data type in JavaScript?
A). Boolean
B). Undefined
C). Null
D). Array
What is the purpose of using arrays in JavaScript?
A). To store a single value
B). To store a collection of values
C). To define object properties
D). To create conditional statements
Which data type represents a collection of values in JavaScript?
A). Object
B). Array
C). String
D). Number
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.
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})
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 a complex data type in JavaScript?
A). Number
B). Object
C). String
D). Boolean