In the chapter "Adding script to HTML" (http://javascript.info/tutorial/adding-script-html) attached example file not found. Text with link to the file:
"You can download the archived solution here: [broken-url]rabbits_offline.zip[/broken-url]. Just unpack it and open rabbits.html in your browser."
Broken URL links to the http://javascript.info/files/tutorial/browser/script/rabbits_offline.zip which sends HTTP 404.