Which of the following is a correct way to define a decimal literal?
A). 42
B). 42
C). 0x42
D). 0b42
Which literal can contain mixed data types?
A). Object
B). Array
C). String
D). Number
What is the correct syntax for a template literal?
A). 'Hello, ${name}!'
B). Hello, ${name}!
C). Hello, ${name}!
D). templateHello, ${name}!
Which symbol represents a null literal?
A). undefined
B). null
C). NULL
D). none
Which of these is a valid Boolean literal?
A). 1
B). 0
C). 1
D). 0
What is the value of x after the following code executes?
let x = 0o10;
A). 8
B). 10
C). 16
D). 0
How would you define an empty object literal?
A). []
B). {}
C). empty
D). Object()
How do you declare a Symbol literal?
A). Symbol()
B). symbol('id')
C). Symbol('id')
D). symbol()
Which syntax is used to create a BigInt literal?
A). BigInt(12345)
B). 12345n
C). bigint 12345
D). 12345N
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