北大青 7E 男 回顶 口代码阅读,请问输出结果是多少? <SCRIPT language=" JavaScript"> var s=abcdefg alert(s indexof( cd,0)); alert (s substr(1, 2)); alert Math. round 9 38); var now=new Date alert (now.getMonth() <SCRIPT> ACCP V4.0ACCP V4.0 3 回顾 ❑代码阅读，请问输出结果是多少？ <SCRIPT language="JavaScript“> var s="abcdefg" ; alert ( s.indexOf("cd",0) ) ; alert (s.substr(1,2)) ; alert (Math.round(9.38)) ; var now=new Date( ); alert (now.getMonth( )) ; </SCRIPT>