<script type="text/javascript"> ???for(var i=1; i<=9; i++) ???{ ????????for(var j=1; j<=i;j++)//j<=i ????????{ ????????????document.write(i+"*"+j+"="+(i*j)+" "); ???????} ???????document.write("<br>"); ???} ???document.write("<br>");</script><script type="text/javascript">var i=1,j;while(i<=9){ ???j=1; ???while(j<=i){ ???????document.write(i+"*"+j+"="+(i*j)+" "); ???????j++; ???} ???i++; ???document.write("<br>")}</script>js for和while两种99乘法表
原文地址：http://www.cnblogs.com/isuben/p/7872171.html