Which syntax is used to create a BigInt literal?
A). BigInt(12345)
B). 12345n
C). bigint 12345
D). 12345N
Which of these is a correct array literal?
A). {}
B). []
C). [[]]
D). Array()
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()
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
Which symbol represents a null literal?
A). undefined
B). null
C). NULL
D). none
What is the correct way to declare a string literal?
A). 'Hello'
B). Hello
C). Hello
D). All of the above
Which of the following is a correct way to define a decimal literal?
A). 42
B). 42
C). 0x42
D). 0b42
What is the value of x after the following code executes?
let x = 0o10;
A). 8
B). 10
C). 16
D). 0