Q
Which of these is a correct array literal?

Answer & Solution

Answer: Option B
Solution:
An array literal is defined using square brackets [].
Related Questions on Average

Which of the following is a valid numeric literal in JavaScript?

A). 1234

B). 0b1010

C). 0xGHI

D). 0o89

What is the correct way to declare a string literal?

A). 'Hello'

B). Hello

C). Hello

D). All of the above

Which literal can contain mixed data types?

A). Object

B). Array

C). String

D). Number

Which of the following correctly defines a function literal?

A). function add(a, b) { return a + b; }

B). function = add(a, b) { return a + b; }

C). function: add(a, b) { return a + b; }

D). function add() = { a + b }

Which literal correctly defines an object with a method?

A). { name: 'Alice' }

B). { name: 'Alice', greet: function() { return 'Hello'; } }

C). { 'name': 'Alice', 'greet': () => 'Hello' }

D). { name: 'Alice', greet() { return 'Hello'; } }

Which of these is a valid Boolean literal?

A). 1

B). 0

C). 1

D). 0

How would you define an empty object literal?

A). []

B). {}

C). empty

D). Object()

Which syntax is used to create a BigInt literal?

A). BigInt(12345)

B). 12345n

C). bigint 12345

D). 12345N

What will be the output of the following code?

let greeting = Hello, ${'World'}!;

A). Hello, World!

B). Hello, ${'World'}!

C). Hello, ${World}!

D). Hello, 'World'!

Which of the following correctly defines a method in an object literal?

A). { name: 'Alice', greet: () => 'Hello' }

B). { name: 'Alice', greet() { return 'Hello'; } }

C). { name: 'Alice', greet: function() { return 'Hello'; } }

D). All of the above