The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Web wide crawl with initial seedlist and crawler configuration from October 2010
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110106210227/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/javascript
JavaScript is a scripting language that is object-oriented and is based on the concept of prototypes. The syntax of JavaScript is close to that of Java, but it more closely linked to Self. JavaScript is mainly used in Web sites.