JavaScript Tutorial/MS JScript/ScriptEngine
ScriptEngine
The ScriptEngine function has three possible return values: JScript, VBScript, and VBA. When implemented in JavaScript scripts, this function returns JScript.
<html>
<script language="JScript1.1">
<!--
document.write(ScriptEngine());
document.write(" " + ScriptEngineMajorVersion() + ".");
document.write(ScriptEngineMinorVersion());
document.write(" build " + ScriptEngineBuildVersion());
-->
</script>
</html>