<!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>多次输出</title> </head> <body> <script language="javascript"> var large = prompt("次数:"); for(var i=0;i<large;i++) { for(var d=0; d<large-i; d++){ document.write(" "); } for(var e=0; e<=i; e++){ document.write("*"+" "); } document.write("<br/>"); } </script> </body> </html>