jquery-ajax.pdf
This is very easy to load any static or dynamic data using JQuery AJAX. Consider the following HTML file with a small JQuery coding ?. <html>.
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simplifies HTML document traversing event handling
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Lecture 10 – Ajax and jQuery
Lecture 10 – Ajax and jQuery. INLS 760 The “original” Ajax… is in Agamemnon's army ... ajax in jQuery. <HTML>. <head>. <script type="text/javascript".
AJAX and JSON with jQuery
http://chyu.scripts.mit.edu/ajax-json-jquery-examples.zip. Jan. 5 2010. 6.470 Basics: o show() show(speed) hide() toggle() toggle(speed).
Jquery Rip Tutorial
Basic promise creation jQuery ajax() success error VS .done()
Ajax Programming for the Absolute Beginner
Ajax Programming for the Absolute. Beginner. Jerry Lee Ford Jr. Course Technology PTR. A part of Cengage Learning. Australia
jQuery i
simplifies HTML document traversing event handling
Advanced Ajax and JavaScript
“jQuery is a fast and concise JavaScript Library that simplifies HTML document traversing event handling
Lecture 10 - Ajax and jQuery
INLS 760
Web Databases
Spring 2013
Rob Capra
2 AJAXWhat is AJAX?
3.Asynchronous JavaScript and XML
Where can I get Ajax?
1.Homer's Iliad
2.Try the grocery store
3.There is nothing to ͞get" support is built-in to modern
browsers. Ajax is a programming technique. 3What does AJAX do?
Traditional use of HTTP causes pages to be
reloaded when data is exchanged to exchange data with the server without reloading the current page.This enables quick, small transactions
Client can communicate more often with the server
More flexible user-interfaces can be built
Web applications can look/act more like desktop apps 4Digging Deeper
Traditional HTTP communication
User clicks a link or presses a form button
Client browser makes an HTTP request using either
GET or POST
Server processes request and sends a response
Browser loads the response in a new web page
5Digging Deeper
AJAXJavaScript event fires
calls user defined JavaScript function Client browser makes a request using XMLHttpRequest Client sets a handler to process the response when it arrives This communication is asynchronous, so response could arrive wheneverWhen the response arrives, a client handler does
somethingFor example, update just a PART of the page
6͞Real-World" Example
Google Suggest
7Simple Example - Client Side
This example code is from
8Client Side - Browser Check
function ajaxFunction() var xmlHttp; try { // Firefox, Opera 8.0+, Safari xmlHttp=new XMLHttpRequest(); } catch (e) { alert("Your browser does not support our brand of AJAX!"); return false; lect10/ajaxff.php 9Client Side - Handle Response
xmlHttp.onreadystatechange=function() if(xmlHttp.readyState==4) // Get data from the server document.myForm.time.value = xmlHttp.responseText; // Ask the server for some data xmlHttp.open("GET","time.php",true); xmlHttp.send(null); } // close the ajax functionTrue means handle
asynchronously4 = completed
10Simple Example - Server Side
Ajax TutorialsW3schools
TizagIBM developerWorks
11Ajax + MySQL
Search interface
Develop together in class
lect10/ajax-db.html 12 ajax librariesMany developers use ajax libraries
jQueryPrototype
script.aculo.us many others 13 14 ajax in jQueryjQuery ajax test
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