For complete JScript reference, please visit this section of the Microsoft Docs website:
JScript Reference > Language Reference
Note: JScript is used rarely and, starting from TestComplete version 14.80, is a legacy language. We do not recommend that you use it to create new tests. Instead, we recommend that you use JavaScript or Python. See Selecting Scripting Language.
Related Topics of Interest
JScript, C#Script and C++Script - Specifics of Usage
JScript - Working With Date Values
JScript - Working With Time Values
JScript - Working With Numeric Values
JScript - Working With Strings
See Also
Language Reference
Script Tests
Handling Exceptions in Scripts