Ajax

INTRODUCTION ,[object Object],[object Object],[object Object],[object Object]

Technologies ,[object Object],[object Object],[object Object],[object Object],[object Object]

AJAX Works ,[object Object],[object Object],[object Object]

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AJAX - Create an XMLHttpRequest Object ,[object Object],[object Object],[object Object]

AJAX - Send a Request To a Server METHOD DESCIPTION SYNTAX open(method,url,async) Specifies the type of request, the URL, and if the request should be handled asynchronously or not. method: the type of request: GET or POST url: the location of the file on the server async: true (asynchronous) or false (synchronous) xmlhttp.open("GET","ajax_info.txt",true); send(string) Sends the request off to the server. string: Only used for POST requests xmlhttp.send();

AJAX - Server Response ,[object Object],[object Object],PROPERTY DESCRIPTION RESPONSE TEXT get the response data as a string RESPONSE XML get the response data as XML data

AJAX - The onreadystatechange Event ,[object Object],[object Object],[object Object],[object Object],[object Object]

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ADVANTAGES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DISADVANTAGES ,[object Object],[object Object]

Ajax

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Ajax