Which syntax is used to create a BigInt literal?
A). BigInt(12345)
B). 12345n
C). bigint 12345
D). 12345N
Which of these is a valid Boolean literal?
A). 1
B). 0
C). 1
D). 0
How do you declare a Symbol literal?
A). Symbol()
B). symbol('id')
C). Symbol('id')
D). symbol()
Which of the following is a valid hexadecimal literal?
A). 0xG1
B). 0x1G
C). 0x1A
D). 0x1Z
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
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 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()