quiz-14-01-2019.md

Quiz 14-01-2019

Question 1

button.addEventListener('click', () => {
  Promise.resolve().then(() => console.log('Microtask 1'))
  console.log('Listener 1')
});

button.addEventListener('click', () => {
  Promise.resolve().then(() => console.log('Microtask 2'))
  console.log('Listener 2')
});

//Output?

Question 2

button.addEventListener('click', () => {
  Promise.resolve().then(() => console.log('Microtask 1'))
  console.log('Listener 1')
});

button.addEventListener('click', () => {
  Promise.resolve().then(() => console.log('Microtask 2'))
  console.log('Listener 2')
});

button.click();
//Output?

Question 3

const nextClick = new Promise(resolve => {
  link.addEventListener('click', resolve, {once: true})
})

nextClick.then(event => {
  event.preventDefault();
})

link.click();

Answer to 1 & 2 => https://youtu.be/cCOL7MC4Pl0?t=1941

Answer 3 => https://youtu.be/cCOL7MC4Pl0?t=1982