HackerNews JS

1단계

app.js

const ajax = new XMLHttpRequest();
const NEWS_URL = 'http://api.hnpwa.com/v0/news/1.json';
ajax.open('GET',NEWS_URL, false);
ajax.send();

const newsFeed = JSON.parse(ajax.response);
const ul = document.createElement('ul');

for (let i = 0; i < 10; i++){
  const li = document.createElement('li');

  li.innerHTML = newsFeed[i].title;

  ul.appendChild(li);
}

document.getElementById('root').appendChild(ul);

실행결과