标签:css com 入门学习 front javascrip ref end ext type
<html> <script type ="text/javascript"> var i,j; for (i=1;i<10;i++){ for (j=1;j<i;j++){ document.write("a") } document.write("<br />"); } </script> </html>
http://www.runoob.com/js/js-tutorial.html
主要在这个网址学习
标签:css com 入门学习 front javascrip ref end ext type
原文地址:https://www.cnblogs.com/tulater/p/9210708.html