JScript is a scripting language based on the ECMAScript standard that is used in Microsoft's Internet Explorer. JScript is implemented as a Windows Script engine. This means that it can be "plugged in" to any application that supports Windows Script,such as Internet Explorer, Active Server Pages, and Windows Script Host. It also means that any application supporting Windows Script can use multiple languages (JScript, VBScript, Perl, and others). JScript was first supported in the Internet Explorer 3.0 browser released in August 1996. Its most recent version is JScript 9.0, included in Internet Explorer 9. Another dialect of JScript (as of 2004 - 2006) was JScript .NET, which was based on the yet-unfinished edition 4 of the ECMAScript standard, and can be compiled for the Microsoft .NET platform. JScript.NET, which added several new features to ECMAScript ed. 3, such as optional static type annotations, has been renamed Jscript 10.0.