JSON-Lab-2/index.js

var request = new XMLHttpRequest();

request.open('GET', 'https://data.sfgov.org/api/views/yitu-d5am/rows.json?accessType=DOWNLOAD');
request.onreadystatechange = function() {
  if((request.status == 200) && (request.readyState == 4)) {
    document.getElementById('result').innerHTML += request.responseText;
  }
}