let greeting = Hello, ${'World'}!;
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
Which of the following is a valid hexadecimal literal?
A). 0xG1
B). 0x1G
C). 0x1A
D). 0x1Z
Which literal can contain mixed data types?
A). Object
B). Array
C). String
D). Number
Which of these is a correct array literal?
A). {}
B). []
C). [[]]
D). Array()
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 numeric literal in JavaScript?
A). 1234
B). 0b1010
C). 0xGHI
D). 0o89
Which of the following is a correct way to define a decimal literal?
A). 42
B). 42
C). 0x42
D). 0b42
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'; } }
How do you declare a Symbol literal?
A). Symbol()
B). symbol('id')
C). Symbol('id')
D). symbol()