What is the syntax for an arrow function in ES6?

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 is the correct syntax to create a class in ES6?

A). class MyClass {}

B). class = MyClass {}

C). new MyClass = class {}

D). create class MyClass {}

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

A). 'string'

B). 'object'

C). 'symbol'

D). 'undefined'

How do you import a default export in ES6?

A). import { myFunc } from 'module';

B). import myFunc from 'module';

C). import * as myFunc from 'module';

D). import { default as myFunc } from 'module';

What is the output of const x = 10; x = 20;?

A). 20

B). 10

C). Error

D). undefined

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

A). a = 1, b = 2

B). a = [1], b = [2]

C). a = 2, b = 1

D). Error

How do you create a generator function in ES6?

A). function* gen() {}

B). function gen*() {}

C). function*gen() {}

D). function * gen() {}

How do you declare a constant variable in ES6?

A). const

B). let

C). var

D). function

How can you create a new promise in ES6?

A). new Promise(function)

B). Promise(function)

C). promise(function)

D). New Promise(function)