Which syntax is used to create a BigInt literal?
A). BigInt(12345)
B). 12345n
C). bigint 12345
D). 12345N
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 of the following is a valid hexadecimal literal?
A). 0xG1
B). 0x1G
C). 0x1A
D). 0x1Z
Which symbol represents a null literal?
A). undefined
B). null
C). NULL
D). none
What is the value of x after the following code executes?
let x = 0o10;
A). 8
B). 10
C). 16
D). 0
What is the correct way to declare a string literal?
A). 'Hello'
B). Hello
C). Hello
D). All of the above
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'; } }
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 regular expression literal matches a string containing 'abc'?
A). /abc/
B). /a.b.c/
C). /ab*c/
D). /abc/i
Which literal can contain mixed data types?
A). Object
B). Array
C). String
D). Number