Which of these is a correct array literal?

Which syntax is used to create a BigInt literal?

A). BigInt(12345)

B). 12345n

C). bigint 12345

D). 12345N

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

A). 42

B). 42

C). 0x42

D). 0b42

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 is a valid hexadecimal literal?

A). 0xG1

B). 0x1G

C). 0x1A

D). 0x1Z

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 do you declare a Symbol literal?

A). Symbol()

B). symbol('id')

C). Symbol('id')

D). symbol()

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

let x = 0o10;

A). 8

B). 10

C). 16

D). 0

Which regular expression literal matches a string containing 'abc'?

A). /abc/

B). /a.b.c/

C). /ab*c/

D). /abc/i