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 is a valid hexadecimal literal?
A). 0xG1
B). 0x1G
C). 0x1A
D). 0x1Z
Which of these is a correct array literal?
A). {}
B). []
C). [[]]
D). Array()
Which literal can contain mixed data types?
A). Object
B). Array
C). String
D). Number
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 regular expression literal matches a string containing 'abc'?
A). /abc/
B). /a.b.c/
C). /ab*c/
D). /abc/i
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'!
How do you declare a Symbol literal?
A). Symbol()
B). symbol('id')
C). Symbol('id')
D). symbol()
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
How would you define an empty object literal?
A). []
B). {}
C). empty
D). Object()