What is the output of const [a, b] = [1, 2];?

What is the output of [...'hello']?

A). ['hello']

B). ['h', 'e', 'l', 'l', 'o']

C). [104, 101, 108, 108, 111]

D). ['h', 'e', 'll', 'o']

What does the method Array.from() do?

A). Converts an array to a string

B). Converts an iterable or array-like object to an array

C). Clones an array

D). Filters an array

What does the for...of loop iterate over?

A). Object properties

B). Object values

C). Array indices

D). Iterable objects

How do you declare a constant variable in ES6?

A). const

B). let

C). var

D). function

What is the output of typeof Symbol('description')?

A). 'string'

B). 'object'

C). 'symbol'

D). 'undefined'

What does Promise.resolve(5).then(console.log) print?

A). 5

B). undefined

C). null

D). Error

What is the result of [...['a', 'b', 'c']]?

A). ['a', 'b', 'c']

B). [['a', 'b', 'c']]

C). ['abc']

D). Error

How do you export a function in ES6 modules?

A). export function myFunc() {}

B). module.exports = myFunc;

C). exports.myFunc = function() {}

D). export myFunc = function() {}

What is the correct syntax to create a class in ES6?

A). class MyClass {}

B). class = MyClass {}

C). new MyClass = class {}

D). create class MyClass {}

How do you create a generator function in ES6?

A). function* gen() {}

B). function gen*() {}

C). function*gen() {}

D). function * gen() {}