Example of loading data dynamically with AJAX. Percentage change in GDP (source: Eurostat). Click the buttons below.
+ +The data is fetched over HTTP, in this case directly from text + files. Usually the URL would point to some web server handler + (e.g. a PHP page or Java/.NET/Python/Ruby on Rails handler) that + extracts it from a database and serializes it to JSON.
+ ++ - + data - + +
+ ++ - + data - + +
+ ++ - + data - + +
+ +If you combine AJAX with setTimeout, you can poll the server + for new data.
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