为什么在窗口显示不出数组呢
<!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>数组长度</title> <script language="javascript"> for(var i=0,i<3;i++) { myarr[i]=new Array(); for(var j=0;j<5;j++) {myarr[i][j]=i*j; document.write(myarr[i][j]);} } </script> </head> <body> </body> </html>