AJAX Introduction by Bhanwar Gupta - HTML preview

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PLEASE NOTE: This is an HTML preview only and some elements such as links or page numbers may be incorrect.
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how it all works -

1. User clicks on a link: rendering engine / browser sends of a request 1
for
a document.

2. Data comes back
3
2

browser

3. Browser knows what ⁴to do with it and where to put it

4. HTML and CSS go to ⁵the rendering engine, which starts painting the screen. This

engine also knows to send out more
requests for images, needed in the page.

1 1

request 2
4
UI
5

HTML / CSS 3_{HTML / CSS}
data
data data
other
other
data (e.g.
data (e.g.
images) images)