What is the value of x after the following code executes?
let x = 0o10;
A). 8
B). 10
C). 16
D). 0
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 is a valid hexadecimal literal?
A). 0xG1
B). 0x1G
C). 0x1A
D). 0x1Z
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'!
Which literal can contain mixed data types?
A). Object
B). Array
C). String
D). Number
Which symbol represents a null literal?
A). undefined
B). null
C). NULL
D). none
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
Which of these is a valid Boolean literal?
A). 1
B). 0
C). 1
D). 0
Which syntax is used to create a BigInt literal?
A). BigInt(12345)
B). 12345n
C). bigint 12345
D). 12345N
How would you define an empty object literal?
A). []
B). {}
C). empty
D). Object()