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
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
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 syntax is used to create a BigInt literal?
A). BigInt(12345)
B). 12345n
C). bigint 12345
D). 12345N
What is the correct syntax for a template literal?
A). 'Hello, ${name}!'
B). Hello, ${name}!
C). Hello, ${name}!
D). templateHello, ${name}!
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 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