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; ?>