what is jscript
JScript is Microsoft's dialect of the ECMAScript standard that is used in Microsoft 's Internet Explorer.JScript is implemented as an Active Scripting engine.Script 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. JScript 10.0 is a separate dialect, also known as JScript .NET, which adds several new features from the abandoned fourth edition of the ECMAScript standard.