Topic: 我本意是点击按钮实现背景颜色的改变,可是我只能变蓝不能变红,请教?急! |
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1.我本意是点击按钮实现背景颜色的改变,可是我只能变蓝不能变红,请教?急! | Copy to clipboard |
Posted by: zilin Posted on: 2003-03-19 10:30 <html><head> <Script Language="JavaScript"> //原来的颜色 document.bgColor="blue"; document.vlinkColor="white"; document.linkColor="yellow"; document.alinkcolor="red"; //动态改变颜色 function changecolor() { if (document.bgColor=="red") document.bgColor="blue"; else document.bgColor="red"; document.vlinkColor="blue"; document.linkColor="green"; document.alinkcolor="blue"; } </script> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"></HEAD> <body bgColor="#FFCCCC" > <A href="test8_2.htm"> 调用动态按钮文档</a> <form > <Input type="button" Value="ChangeColor button " onClick="changecolor()"> </form> </BODY> </HTML> |
2.Re:我本意是点击按钮实现背景颜色的改变,可是我只能变蓝不能变红,请教?急! [Re: zilin] | Copy to clipboard |
Posted by: floater Posted on: 2003-03-19 23:54 add this line somewhere alert(document.bgColor); Then you will know what's wrong.(document.bgColor is not "red", it's #...) |
3.Re:我本意是点击按钮实现背景颜色的改变,可是我只能变蓝不能变红,请教?急! [Re: floater] | Copy to clipboard |
Posted by: zilin Posted on: 2003-03-20 09:36 我写了alert(document.bgColor);但是没有提示或显示任何信息 |
4.这是另外一个简单的问题,谢谢 [Re: zilin] | Copy to clipboard |
Posted by: zilin Posted on: 2003-03-20 09:59 我认为 <%@ page import = "eoaapp.bbs.*,eoaapp.*,eoaapp.util.*,java.util.*,java.net.URLEncoder,eoaapp.filter.*"%> 和<%@ page import = "eoaapp.*,java.util.*,java.net.URLEncoder,"%> 是一样的,对吗? |
5.Re:我本意是点击按钮实现背景颜色的改变,可是我只能变蓝不能变红,请教?急! [Re: zilin] | Copy to clipboard |
Posted by: floater Posted on: 2003-03-20 23:42 zilin wrote: bgColor=#0000ff for blue bgColor=#ff0000 for red Like this:
Get a book on javascript and learn how to use alert(), it's a very useful tool for quick debugging. |
6.Re:这是另外一个简单的问题,谢谢 [Re: zilin] | Copy to clipboard |
Posted by: why Posted on: 2003-03-21 01:11 zilin wrote: No, they are different, eoaapp.bbs.*, eoaapp.util.*, etc will not be imported. function changecolor() { |
7.Re:这是另外一个简单的问题,谢谢 [Re: why] | Copy to clipboard |
Posted by: zilin Posted on: 2003-03-21 09:46 多谢 |
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