You can use the Batch / JScript hybrid, so you can use the WScript.Run method.
With the second parameter = 7, you got it.
7 = ( . .).
MSDN
@if (@X)==(@Y) @goto :Dummy @end
var sh=new ActiveXObject("WScript.Shell");
sh.Run("cmd /c wait.bat",7,true)
sh.Run("cmd /c wait.bat",7,true)
wait.bat
ping -n 5 127.0.0.1