The @_jscript_version variable hold the JScript version number in major.minor format.
Before accessing the @_jscript_version variable, use the @cc_on statement to define the variable.
<html> <script language="JScript"> <!-- //Set conditional compilation so @_jscript_version variable will be defined. @cc_on //Display the JScript verision number using the @_jscript_version variable document.write("The JScript version is ",@_jscript_version); --> </script> </html>