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 is a valid hexadecimal literal?
A). 0xG1
B). 0x1G
C). 0x1A
D). 0x1Z
Which of the following is a valid numeric literal in JavaScript?
A). 1234
B). 0b1010
C). 0xGHI
D). 0o89
What is the value of x after the following code executes?
let x = 0o10;
A). 8
B). 10
C). 16
D). 0
Which symbol represents a null literal?
A). undefined
B). null
C). NULL
D). none
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 literal can contain mixed data types?
A). Object
B). Array
C). String
D). Number
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'; } }
What will be the output of the following code?
let greeting = Hello, ${'World'}!;
A). Hello, World!
B). Hello, ${'World'}!
C). Hello, ${World}!
D). Hello, 'World'!