Which symbol represents a null literal?

What is the value of x after the following code executes?

let x = 0o10;

A). 8

B). 10

C). 16

D). 0

What is the correct way to declare a string literal?

A). 'Hello'

B). Hello

C). Hello

D). All of the above

Which statement is true about the null literal?

A). null is an object

B). null is a keyword

C). null is a primitive value

D). null is a data type

Which of these is a correct array literal?

A). {}

B). []

C). [[]]

D). Array()

Which of these is a valid Boolean literal?

A). 1

B). 0

C). 1

D). 0

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

How would you define an empty object literal?

A). []

B). {}

C). empty

D). Object()

Which of the following is a correct way to define a decimal literal?

A). 42

B). 42

C). 0x42

D). 0b42

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 syntax is used to create a BigInt literal?

A). BigInt(12345)

B). 12345n

C). bigint 12345

D). 12345N