The following table lists the version of Microsoft JScript implemented by host applications.

Host Application	JScript Version
	1.0	2.0	3.0	4.0	5.0
Microsoft Internet Explorer 3.0	x
Microsoft Internet Information Server 1.0		x
Microsoft Internet Explorer 4.0			x
Microsoft Internet Information Server 4.0			x
Microsoft Windows Scripting Host 1.0			x
Microsoft Visual Studio 6.0				x
Microsoft Internet Explorer 5.0					x
Microsoft Internet Information Server 5.0					x