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

How do you declare a constant variable in ES6?

A). const

B). let

C). var

D). function

What does the ... operator do when used in a function parameter?

A). It spreads an array

B). It restates the parameters

C). It indicates a default parameter

D). It represents the rest of the arguments

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 does the for...of loop iterate over?

A). Object properties

B). Object values

C). Array indices

D). Iterable objects

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

A). 20

B). 10

C). Error

D). undefined

What keyword is used to declare a block-scoped variable in ES6?

A). var

B). let

C). const

D). 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 {}

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

How can you create a new promise in ES6?

A). new Promise(function)

B). Promise(function)

C). promise(function)

D). New Promise(function)