A. <script language= “show.js”></script> B. <script type=”show.js”></script> C. <script src=”show.js”></script> D. <script runat=”show.js”></script>
A. var reg=/ \d6/; B. var reg=\d{6}\; C. var reg=/ \d{6}; D. var reg=new RegExp("d{6}");