Ajax

The hype ,[object Object],[object Object],[object Object],[object Object],[object Object]

The reality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How Ajax works ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Underlying technologies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Starting from the browser… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The XMLHttpRequest object ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Getting the XMLHttpRequest object function getXMLHttpRequest { var request = false; try { request = new XMLHttpRequest(); } catch(err1) { try { var request = new ActiveXObject("Microsoft.XMLHTTP"); } catch(err2) { try { var request = new ActiveXObject("Msxml2.XMLHTTP"); } catch(err3) { request = false; } } } return request; } SAMS Teach Yourself Ajax in 10 Minutes, Phil Ballard, p. 85

Preparing the XMLHttpRequest object ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sending the XMLHttpRequest object ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

On the server side ,[object Object],[object Object],[object Object],[object Object]

Getting the response ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Using response data ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Displaying the response ,[object Object],[object Object],From: http://developer.mozilla.org/en/docs/AJAX:Getting_Started

The readyState property ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Mostly from: http://www.w3schools.com/ajax/ajax_xmlhttprequest.asp

Doing it with XML ,[object Object],[object Object],From: http://developer.mozilla.org/en/docs/AJAX:Getting_Started

XML notes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

innerHTML ,[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ajax

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Ajax