Ajax Example with PHP
Instant value
Following Ajax program example print the instant result that you type in the text box using Ajax.
Instant value example
<!--index.html-->
<html>
<head>
<script>
var request;
function table()
{
var u=document.frm.num.value;
var url="argument.php?val="+u;
if(window.XMLHttpRequest){
request=new XMLHttpRequest();
}
else if(window.ActiveXObject){
request=new ActiveXObject("Microsoft.XMLHTTP");
}
request.onreadystatechange=getInfo;
request.open("GET",url,true);
request.send();
}
function getInfo(){
if(request.readyState==4){
var val=request.responseText;
document.getElementById('uk').innerHTML=val;
}
}
</script>
</head>
<body>
<h2>Please Enter your anything to check response</h2>
<form name="frm">
<input type="text" name="num" onKeyUp="table()">
</form>
<span id="uk"> </span>
</body>
</html>
PHP FILE
<?php //argument.php $num=trim($_GET["val"]); echo $num; ?>
