For complete JScript reference, please visit Microsoft's Web site: JScript, C# Script and C++Script - Specifics of Usage · JScript - Working With Date Values. TestComplete supports the JScript engine version C#Script and C++Script are based on JScript, so all of these languages have the same specifics of usage. Sample JScript Script. This script is designed to be used with BlueZone for the Desktop. The script will launch an already existing BlueZone iSeries (AS/).