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Posted By

SivaramakrishnanM on 09/07/10


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javascriptajax


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Ajax

 / Published in: JavaScript
 
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  1. <html>
  2.     <head>
  3. 	<title>
  4.  
  5. 	</title>
  6. 	<script type="text/javascript">
  7.  
  8.             //check the code for IE browsers ,and javascript version 5
  9. 	    if(window.ActiveXObject)
  10. 	    {
  11. 		xmlhttp = new ActiveXObeject("MSxml2.XMLHTTP");
  12. 	    }
  13.              // check if the older version of javascript  support
  14. 	    else if(window.ActiveXObject)
  15. 	    {
  16. 		xmlhttp = new ActiveXObeject("Microsoft.XMLHTTP");
  17. 	    }
  18.               //this is code for IE7+,Opera,Safari,Chrome,Mozilla
  19. 	    else if(window.XMLHttpRequest)
  20. 	    {
  21. 		xmlhttp = new XMLHttpRequest();
  22. 	    }
  23.  
  24. 	    function work()
  25. 	    {
  26. 		var obj =document.getElementById("myDiv");
  27.                 // u need to create a file of file name ajax_info.php 
  28.  
  29.                 xmlhttp.open("GET","/ajax_info.php",true);
  30. 		xmlhttp.onreadystatechange=function()
  31. 		{
  32. 		    if (xmlhttp.readyState==4 ) //where 4 indicates that the request and response  have done, similarly there r 0,1,2 and 3 
  33. 		    {
  34. 			obj.innerHTML=xmlhttp.responseText;
  35. 		    }
  36. 		}
  37.  
  38. 		xmlhttp.send(null);
  39. 	    }
  40.  
  41. 	</script>
  42.     </head>
  43.     <body>
  44. 	<div id="myDiv"><p>Ajax comes here<p>
  45.  
  46. 	</div>
  47. 	<input  type="submit" value="Click" name="submit" onclick="work()">
  48.  
  49.     </body>
  50. </html>

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Posted By: heinz1959 on September 8, 2010

I wonder: isn|'t the query in line 14 exactly the same as in line 9?

Posted By: sivaramakrishnan on September 13, 2010

yeah there r exactly same

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