DirectoryUtility = {  // function getCurrentDirectory: returns currentDirectory path   // with a trailing backslash.  getCurrentDirectory : function ( ) {    var scriptFullName = WScript.ScriptFullName;    var scriptName = WScript.ScriptName;    return scriptFullName.substr ( 0, scriptFullName.lastIndexOf ( scriptName ) );  }}/* 用法 */DirectoryUtility.getCurrentDirectory ( );