JSONファイルの内容をHTML上に表示させたい
ソースコードは全て外部から引用したものです。
[リンク] (https://developer.mozilla.org/ja/docs/Learn/JavaScript/Objects/JSON)
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="js/jquery-3.4.1.min.js"></script>
<script src="jsonData.js"></script>
</head>
<body>
<header>
</header>
<section>
</section>
</body>
</html>
jsonData.js
var header = document.querySelector('header');
var section = document.querySelector('section');
var requestURL = 'https://mdn.github.io/learning-area/javascript/oojs/json/superheroes.json';
var request = new XMLHttpRequest();
request.open('GET', requestURL);
request.responseType = 'json';
request.send();
request.onload = function() {
var superHeroes = request.response;
populateHeader(superHeroes);
showHeroes(superHeroes);
}
function populateHeader(jsonObj) {
var myH1 = document.createElement('h1');
myH1.textContent = jsonObj['squadName'];
header.appendChild(myH1);
var myPara = document.createElement('p');
myPara.textContent = 'Hometown: ' + jsonObj['homeTown'] + ' // Formed: ' + jsonObj['formed'];
header.appendChild(myPara);
}
function showHeroes(jsonObj) {
var heroes = jsonObj['members'];
for (var i = 0; i < heroes.length; i++) {
var myArticle = document.createElement('article');
var myH2 = document.createElement('h2');
var myPara1 = document.createElement('p');
var myPara2 = document.createElement('p');
var myPara3 = document.createElement('p');
var myList = document.createElement('ul');
myH2.textContent = heroes[i].name;
myPara1.textContent = 'Secret identity: ' + heroes[i].secretIdentity;
myPara2.textContent = 'Age: ' + heroes[i].age;
myPara3.textContent = 'Superpowers:';
var superPowers = heroes[i].powers;
for (var j = 0; j < superPowers.length; j++) {
var listItem = document.createElement('li');
listItem.textContent = superPowers[j];
myList.appendChild(listItem);
}
myArticle.appendChild(myH2);
myArticle.appendChild(myPara1);
myArticle.appendChild(myPara2);
myArticle.appendChild(myPara3);
myArticle.appendChild(myList);
section.appendChild(myArticle);
}
}