Q: What is JavaScript?A: JavaScript is a programming tool that is integrated into web pages to enhance other programs being used by the site.JavaScript is one of several tools available that allow us to open pop-ups, facilitates use of interactive forms and provides users with a more dynamic web viewing experience.Browsers requirements for use of JavaScript vary, so be sure to check online resources such as this one http://support.google.com/adsense posted by Google to determine if setting changes are required.Firewall or security settings may also prohibit its use, so be sure to check these as well.