Quizzes » Symbols

1. Which of the following expressions create symbols?

Symbol()

Symbol('foo')

new Symbol('foo')

assert.ok(Symbol() === Symbol())

assert.ok(String(Symbol()) === String(Symbol()))

assert.ok(Symbol('abc') === Symbol('abc'))

assert.ok(String(Symbol('abc')) === String(Symbol('abc')))

const sym = Symbol();

Which of the following expressions throw exceptions?

Boolean(sym)

Number(sym)

String(sym)

sym.toString()

'' + sym

`${sym}`

Correct answers: 0 out of 0