A scripting language developed by Microsoft and based on Visual Basic. It allows designers to embed scripts in the HTML document, and these are executed by the browser software. Like JavaScript, it is used to add additional features to web pages.
https://msdn.microsoft.com/en-us/library/sx7b3k7y(VS.85).aspx VBScript user’s guide
https://msdn.microsoft.com/en-us/library/d1wf56tt(VS.85).aspx VBScript language reference