How would you define an empty object literal?
A). []
B). {}
C). empty
D). Object()
Which of the following is a valid numeric literal in JavaScript?
A). 1234
B). 0b1010
C). 0xGHI
D). 0o89
Which of these is a correct array literal?
A). {}
B). []
C). [[]]
D). Array()
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 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
What is the correct syntax for a template literal?
A). 'Hello, ${name}!'
B). Hello, ${name}!
C). Hello, ${name}!
D). templateHello, ${name}!
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()
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 }