How do you check if a value is an array in ES6?

How can you create a new promise in ES6?

A). new Promise(function)

B). Promise(function)

C). promise(function)

D). New Promise(function)

How do you create a generator function in ES6?

A). function* gen() {}

B). function gen*() {}

C). function*gen() {}

D). function * gen() {}

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

A). 5

B). undefined

C). null

D). Error

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

A). 20

B). 10

C). Error

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';

How do you interpolate variables in a string using template literals?

A). Hello, + name + '!'

B). Hello, ${name}!

C). 'Hello, ' + name + '!'

D). Both A and B

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 syntax for an arrow function in ES6?

A). function(a, b) { return a + b; }

B). (a, b) => { return a + b; }

C). (a, b) => a + b

D). Both B and C

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

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

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

C). ['abc']

D). Error

How do you declare a constant variable in ES6?

A). const

B). let

C). var

D). function