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ajax4.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 4 - AJAX & PHP Form</title>
</head>
<body>
<button id="button">Get Name</button>
<hr>
<h1>GET FORM</h1>
<form method="GET" action="process.php">
<input type="text" name="name">
<input type="submit" value="submit">
</form>
<h1>AJAX GET FORM</h1>
<form id="getForm">
<input type="text" name="name" id="name1">
<input type="submit" value="submit">
</form>
<h1>POST FORM</h1>
<form method="POST" action="process.php">
<input type="text" name="name">
<input type="submit" value="submit">
</form>
<h1>AJAX POST FORM</h1>
<form id="postForm">
<input type="text" name="name" id="name2">
<input type="submit" value="submit">
</form>
<script>
document.getElementById('button').addEventListener('click', getName);
document.getElementById('getForm').addEventListener('submit', getName);
document.getElementById('postForm').addEventListener('submit', postName);
function getName(e){
e.preventDefault();
var name = document.getElementById('name1').value;
var xhr = new XMLHttpRequest();
xhr.open('GET', 'process.php?name='+name, true);
xhr.onload = function(){
console.log(this.responseText);
}
xhr.send();
}
function postName(e){
e.preventDefault();
var name = document.getElementById('name2').value;
var params = "name="+name;
var xhr = new XMLHttpRequest();
xhr.open('POST', 'process.php', true);
xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
xhr.onload = function(){
console.log(this.responseText);
}
xhr.send(params);
}
</script>
</body>
</html>