freeCodeCamp Challenge Guide: Get JSON with the JavaScript XMLHttpRequest Method

Get JSON with the JavaScript XMLHttpRequest Method


Solutions

Solution 1 (Click to Show/Hide)
<script>
  document.addEventListener('DOMContentLoaded',function(){
    document.getElementById('getMessage').onclick=function(){
      // Add your code below this line
      var req = new XMLHttpRequest();
      req.open('GET', '/json/cats.json', true);
      req.send();
      req.onload = function(){
        var json=JSON.parse(req.responseText);
        document.getElementsByClassName('message')[0].innerHTML = JSON.stringify(json)
      }
      // Add your code above this line
    };
  });
</script>
<style>
  body {
    text-align: center;
    font-family: "Helvetica", sans-serif;
  }
  h1 {
    font-size: 2em;
    font-weight: bold;
  }
  .box {
    border-radius: 5px;
    background-color: #eee;
    padding: 20px 5px;
  }
  button {
    color: white;
    background-color: #4791d0;
    border-radius: 5px;
    border: 1px solid #4791d0;
    padding: 5px 10px 8px 10px;
  }
  button:hover {
    background-color: #0F5897;
    border: 1px solid #0F5897;
  }
</style>
<h1>Cat Photo Finder</h1>
<p class="message">
  The message will go here
</p>
<p>
  <button id="getMessage">
    Get Message
  </button>
</p>