摘要: <script language="JavaScript">function round(v,e) { var t=1; e=Math.round(e); for(;e>0;t*=10,e--); for(;e<0;t/=10,e++); return Math.round(v*t)/t; } alert(round(12.3456,2));//12.35&l... 阅读全文
posted @ 2008-08-24 11:32 RobotTech 阅读(1115) 评论(1) 推荐(0) 编辑