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/index.html
Created Aug 10, 2017

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<header>
<h1>JSON and AJAX</h1>
<button id="btn">Fetch Info for 3 New Animals</button>
</header>
<div id="animal-info"></div>
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);
}
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;
}
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