Q
In JavaScript, how do you define an array?

Answer & Solution

Answer: Option B
Solution:
In JavaScript, arrays are defined using square brackets [ ].
Related Questions on Average

How do you parse a JSON string in JavaScript?

A). JSON.convert()

B). JSON.toObject()

C). JSON.parse()

D). JSON.stringify()

Which function is used to add an element to the end of an array in JavaScript?

A). push()

B). append()

C). insert()

D). add()

Which method converts a JavaScript object into a JSON string?

A). JSON.convert()

B). JSON.toString()

C). JSON.stringify()

D). JSON.parse()

What is a complex data type in programming?

A). Primitive data type

B). Data type composed of multiple elements

C). Single integer value

D). Single character value

Which of the following is a feature of complex data types?

A). They can hold multiple values

B). They can be manipulated as a single entity

C). They can be composed of different data types

D). All of the above

How do you create a dictionary in Python?

A). dict = {key1: value1, key2: value2}

B). dict = (key1: value1, key2: value2)

C). dict = [key1: value1, key2: value2]

D). dict =

How do you create a set in Python?

A). set = {1, 2, 3}

B). set = (1, 2, 3)

C). set = [1, 2, 3]

D). set = <1, 2, 3>

What is the purpose of a JSON object?

A). To store a single value

B). To define a variable

C). To represent data as a string

D). To store data in a structured, key-value pair format

What is an object in programming?

A). A data structure with a fixed sequence of elements

B). A primitive data type

C). A data structure that stores key-value pairs

D). A single numerical value

What is a queue data structure used for?

A). First In, First Out (FIFO)

B). Last In, First Out (LIFO)

C). Last In, Last Out (LILO)

D). First In, Last Out (FILO)