Ajax and php
<html>
<head>
<title></title>
</head>
<body>
<div id="xmldata"></div>
<script type="text/javascript">
function readyAJAX() {
try {
return new XMLHttpRequest();
} catch(e) {
try {
return new ActiveXObject('Msxml2.XMLHTTP');
} catch(e) {
try {
return new ActiveXObject('Microsoft.XMLHTTP');
} catch(e) {
return "A newer browser is needed.";
}
}
}
}
var requestObj = readyAJAX();
var url ="http://127.0.0.1/sum.php?num1=2&num2=2";
requestObj.open("GET",url,true);
requestObj.send();
requestObj.onreadystatechange = function() {
if (requestObj.readyState == 4) {
if (requestObj.status == 200) {
document.write(requestObj.responseText);
} else {
document.write(requestObj.statusText);
}
}
}
</script>
</body>
</html>
//sum.php
<?php
print $_GET['num1'] + $_GET['num2'];
?>
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