The easiest way to use the jokes in your website, is by using the JavaScript API, a jQuery plugin. You can download the plugin at http://code.icndb.com, the most recent versions are available at http://code.icndb.com/jquery.icndb.min.js (minified production version) or http://code.icndb.com/jquery.icndb.js (developer version with comments).
Using the jQuery plugin
Info about loading the plugin and operating it ($(document).ready(…)).
API Reference
$.icndb.getRandomJoke()
Parameters, result, example
$.icndb.getRandomJokes()
Parameters, result, example
$.icndb.getNumberOfJokes()
Parameters, result, example
$.icndb.getCategories()
Parameters, result, example


