freeCodeCamp Challenge Guide: Pre-filter JSON to Get the Data You Need

Pre-filter JSON to Get the Data You Need


Solutions

Solution 1 (Click to Show/Hide)
<script>
  document.addEventListener('DOMContentLoaded',function(){
    document.getElementById('getMessage').onclick=function(){
      req=new XMLHttpRequest();
      req.open("GET",'/json/cats.json',true);
      req.send();
      req.onload=function(){
        json=JSON.parse(req.responseText);
        var html = "";
        // Add your code below this line
        
        json = json.filter(function(val) {
          return (val.id !== 1);
        });
        // Add your code above this line
         json.forEach(function(val) {
           html += "<div class = 'cat'>"
           
           html += "<img src = '" + val.imageLink + "' " + "alt='" + val.altText + "'>"
           
           html += "</div>"
         });
         document.getElementsByClassName('message')[0].innerHTML=html;
       };
     }; 
  });
</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 box">
  The message will go here
</p>
<p>
  <button id="getMessage">
    Get Message
  </button>
</p>
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