June 2015
Intermediate to advanced
192 pages
4h 8m
English
Content preview from The JavaScript JSON CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Requesting JSON content using jQuery
jQuery defines the variable $, which exposes methods for everything you want to do with the interface. (There are ways to rename that variable, say if you're working with another JavaScript environment that uses the same variable, but I don't recommend it). Among the methods $ exposes is the ajax method, which you use to make AJAX queries. Let's see how.
How to do it...
Here's a whole page that makes an AJAX request. The AJAX code is in bold:
<!doctype HTML> <html> <head> <script type="text/javascript" src="//code.jquery.com/jquery-1.11.2.min.js"></script> </head> <body> <p>Hello world</p> <p> <div id="debug"></div> </p> <p> <div id="json"></div> </p> <p> <div id="result"></div> </p> <p>Powered by <a href="http://www.aprs.fi">aprs.fi</a></p> ...
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