RGOqQY

index.html

<header>
  <h1>JSON and AJAX</h1>
  <button id="btn">Fetch Info for 3 New Animals</button>
</header>

<div id="animal-info"></div>

rgoqqy.markdown

RGOqQY

A Pen by Captain Anonymous on CodePen.

License.

script.js

var pageCounter = 1;
var animalContainer = document.getElementById("animal-info");
var btn = document.getElementById("btn");

btn.addEventListener("click", function() {
  var ourRequest = new XMLHttpRequest();
  ourRequest.open('GET', 'https://learnwebcode.github.io/json-example/animals-' + pageCounter + '.json');
  ourRequest.onload = function() {
    if (ourRequest.status >= 200 && ourRequest.status < 400) {
      var ourData = JSON.parse(ourRequest.responseText);
      renderHTML(ourData);
    } else {
      console.log("We connected to the server, but it returned an error.");
    }
    
  };

  ourRequest.onerror = function() {
    console.log("Connection error");
  };

  ourRequest.send();
  pageCounter++;
  if (pageCounter > 3) {
    btn.classList.add("hide-me");
  }
});

function renderHTML(data) {
  var htmlString = "";

  for (i = 0; i < data.length; i++) {
    htmlString += "<p>" + data[i].name + " is a " + data[i].species + " that likes to eat ";
    
    for (ii = 0; ii < data[i].foods.likes.length; ii++) {
      if (ii == 0) {
        htmlString += data[i].foods.likes[ii];
      } else {
        htmlString += " and " + data[i].foods.likes[ii];
      }
    }

    htmlString += ' and dislikes ';

    for (ii = 0; ii < data[i].foods.dislikes.length; ii++) {
      if (ii == 0) {
        htmlString += data[i].foods.dislikes[ii];
      } else {
        htmlString += " and " + data[i].foods.dislikes[ii];
      }
    }

    htmlString += '.</p>';

  }

  animalContainer.insertAdjacentHTML('beforeend', htmlString);
}

style.css

html, body {
  padding: 0;
  margin: 0;
}

.hide-me {
  visibility: hidden;
  opacity: 0;
  transform: scale(.75);
}

h1 {
  margin-top: 0;
  font-size: 2.4em;
  font-weight: normal;
  display: inline-block;
}

body {
  font-family: Helvetica, sans-serif;
  padding: 50px 10%;
}

button {
  background-color: #046380;
  color: #FFF;
  border: none;
  padding: 10px 15px;
  font-size: 15px;
  border-radius: 4px;
  cursor: pointer;
  outline: none;
  box-shadow: 2px 2px 0 #034154;
  margin-bottom: 10px;
  margin-left: 18px;
  transition: opacity .4s ease-out, transform .4s ease-out, visibility .4s ease-out;
  position: relative;
  top: -10px;
}

button:hover {
  background-color: #034F66;
}

button:active {
  background-color: #034154;
  box-shadow: none;
  position: relative;
  top: -8px;
  left: 2px;
}

p {
  padding: 4px 0 2px 8px;
  line-height: 1.7;
  border-bottom: 1px dotted #DDD;
  list-style: none;
  margin: 0;
}