很高兴来到博客园!迈入这座知识的殿堂,实是幸运。这是我的第一篇博客,开启丰富有趣的学习之旅,同时,我希望和大家一起学习一起进步,Let‘s go!
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>打印菱形</title> </head> <body> <center> <script language="javascript"> var k=prompt("请输入打印行数:",""); for(var i=1;i<=k;i++){ for(var j=0;j<i;j++){ document.write("* "); } document.write("<br/>"); } for(var i=k-1;i>0;i--){ for(var j=0;j<i;j++){ document.write("* "); } document.write("<br/>"); } </script> </center> </body> </html>
If reference to indicate the source:caiduping