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ajax2.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Ajax 2 - Local JSON</title>
</head>
<body>
<button id="button1">
Get User
</button>
<button id="button2">
Get Users
</button>
<br><br>
<h1>User</h1>
<div id="user"></div>
<h1>Users</h1>
<div id="users"></div>
<script>
document.getElementById('button1').addEventListener('click', loadUser);
document.getElementById('button2').addEventListener('click', loadUsers);
function loadUser(){
var xhr = new XMLHttpRequest();
xhr.open('GET', 'user.json', true);
xhr.onload = function() {
if(this.status == 200) {
var user = JSON.parse(this.responseText);
var output = '';
output += '<ul>' +
'<li>ID: '+user.id+'</li>' +
'<li>name: '+user.name+'</li>' +
'<li>email: '+user.email+'</li>' +
'</ul>';
document.getElementById('user').innerHTML = output;
}
}
xhr.send();
}
function loadUsers(){
var xhr = new XMLHttpRequest();
xhr.open('GET', 'users.json', true);
xhr.onload = function() {
if(this.status == 200) {
var users = JSON.parse(this.responseText);
var output = '';
for(var i in users){
output += '<ul>' +
'<li>ID: '+users[i].id+'</li>' +
'<li>name: '+users[i].name+'</li>' +
'<li>email: '+users[i].email+'</li>' +
'</ul>';
}
document.getElementById('users').innerHTML = output;
}
}
xhr.send();
}
</script>
</body>
</html>