A file, variable name, or module specific to a private or proprietary application developed by a company or individual named "JayJayWon".
A variable used in a scripting context, such as a JavaScript browser extension. Potential Contexts JayJayWon.BrowserAssist.21.var
Inspect browser extensions for unknown or suspicious additions (e.g., in Chrome's chrome://extensions ). A file, variable name, or module specific to