The flashcards below were created by user
kimo
on FreezingBlue Flashcards.
-
- author "me"
- fileName "Ajax"
- tags ""
- description ""
- Ajax
- Asynchronous Javascript And Xml
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AJax is made up of
Many components
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First
Get an object from the browser
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The object has _____ parts
3
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These parts are
- Two methods (open and send) and
- One event (onreadystatechange)
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Calling open
Open has three parameters
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These parameters are:
- 1. Http method (get or post)
- 2. Url requested from the web server
- 3. Whether or not you want to use asynchronous communication
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Example:
- function initAJAX () {
- var xhr = initrequest ()
- if (xhr != null) {
- xhr.open("get","asynchpage.xml", true);
- }
- }
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Calling send
send accepts 1 optional parameter, which is the data to send if the open method is post
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Example of send with post method
- xhr.send();
- xhr.send("fName=Mary&lName=Marvelous");
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