JSON APIs and AJAX - Convert JSON Data to HTML: using variables for html tags didn't work

Tell us what’s happening:
Hello everyone! Today I was trying to solve this challenge. I didn’t like the use of tags as strings of text, so I decided to create variables for each tag:

let br = "<br>"
let strongO = "<strong>"
let strongE = "</strong>: "

However, this code doesn’t pass the last test. It seems like it did wrap my key names in strong tags… I thought this had to do with scope, but I tried all possible places I could place my variable declarations and it didn’t solve my issue. However, if I follow the example and use the text directly, like html += "<strong>" + key + "</strong>: " + val[key] + "<br>"; everything works. Is my code wrong somewhere else or is it a bug?

Thank you in advance! :pray:

Your code so far

  document.addEventListener('DOMContentLoaded', function(){
    document.getElementById('getMessage').onclick = function(){
      const req = new XMLHttpRequest();
      req.onload = function(){
        const json = JSON.parse(req.responseText);
        let html = "";
        // Add your code below this line
        json.forEach(function(val) {
          const keys = Object.keys(val)
          html += "<div class = 'cat'>"
          let br = "<br>"

            keys.forEach(function(key) {

              let strongO = "<strong>"
              let strongE = "</strong>: "
              html += strongO + key + strongE + val[key] + br

            html += "</div>" + br
        // Add your code above this line
        document.getElementsByClassName('message')[0].innerHTML = html;

  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;

<h1>Cat Photo Finder</h1>
<p class="message box">
  The message will go here
  <button id="getMessage">
    Get Message

Your browser information:

User Agent is: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Firefox/91.0

Challenge: JSON APIs and AJAX - Convert JSON Data to HTML

Link to the challenge:

if we read from instructions it specifically says to “create” html elements

… create the HTML elements to display it

and here you’re using “string” which has “html” tags in it, as a string it’s just fine and can be used to reflect that on DOM as HTML… but in this case i suppose its needed to be “created”, perhaps consider trying that

hope that was helpful, happy learning :slight_smile:

The test is not checking the DOM content it is looking at the code in the editor using a regex.

Your code should wrap the key names in strong tags.



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