点击按钮弹出一个DIV

效果要点击一个按钮下面自动弹出个div.现在是IE可以弹出来火狐弹不出来，，代码如下：
<input type="button" onclick="document.all.div.style.display=(document.all.div.style.display=='none')?'':'none'" value="button" />

<div id="div" style="width: 300px;border: 1px dashed #CCCCCC;background-color: #FFFFCC; display:none">this is a div!</div>

怎么让火狐也能弹出来呢？高手指点在线等，，，急。。

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相关建议 2012-10-09

document.all 是IE才能识别的，firefox是不支持的，你可以改成用id来获取，如下：

<input type="button" onclick="document.getElementById('div').style.display=(document.getElementById('div').style.display=='none')?'':'none'" value="button" />

<div id="div" style="width: 300px;border: 1px dashed #CCCCCC;background-color: #FFFFCC; display:none">this is a div!</div>

改一下就OK了！

建议你以后不要再用document.all了，只有IE才支持...

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其他看法

第1个回答 2012-10-09

<title>APP专业版</title>
<script type="text/javascript" language="javascript">
function sAlert(strTitle,strContent){
var msgw,msgh,bordercolor;
msgw=400;//提示窗口的宽度
msgh=100;//提示窗口的高度
titleheight=25 //提示窗口标题高度
bordercolor="#990000";//提示窗口的边框颜色
titlecolor="#99CCFF";//提示窗口的标题颜色

var sWidth,sHeight;
sWidth=document.body.offsetWidth;
sHeight=screen.height;
var bgObj=document.createElement("div");
bgObj.setAttribute('id','bgDiv');
bgObj.style.position="absolute";
bgObj.style.top="0";
bgObj.style.background="#777";
bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75";
bgObj.style.opacity="0.6";
bgObj.style.left="0";
bgObj.style.width=sWidth + "px";
bgObj.style.height=sHeight + "px";
bgObj.style.zIndex = "10000";
document.body.appendChild(bgObj);

var msgObj=document.createElement("div")
msgObj.setAttribute("id","msgDiv");
msgObj.setAttribute("align","center");
msgObj.style.background="white";
msgObj.style.border="1px solid " + bordercolor;
msgObj.style.position = "absolute";
msgObj.style.left = "50%";
msgObj.style.top = "50%";
msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif";
msgObj.style.marginLeft = "-225px" ;
msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px";
msgObj.style.width = msgw + "px";
msgObj.style.height =msgh + "px";
msgObj.style.textAlign = "center";
msgObj.style.lineHeight ="25px";
msgObj.style.zIndex = "10001";

var title=document.createElement("h4");
title.setAttribute("id","msgTitle");
title.setAttribute("align","right");
title.style.margin="0";
title.style.padding="3px";
title.style.background=bordercolor;
title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100);";
title.style.opacity="0.75";
title.style.border="1px solid " + bordercolor;
title.style.height="18px";
title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif";
title.style.color="white";
title.style.cursor="pointer";
title.title = "点击关闭";
title.innerHTML="<table border='0′ width='100%'><tr><td align='left'><b>"+ strTitle +"</b></td><td>关闭</td></tr></table></div>";
title.onclick=function(){
document.body.removeChild(bgObj);
document.getElementById("msgDiv").removeChild(title);
document.body.removeChild(msgObj);
}
document.body.appendChild(msgObj);
document.getElementById("msgDiv").appendChild(title);
var txt=document.createElement("p");
txt.style.margin="1em 0"
txt.setAttribute("id","msgTxt");
txt.innerHTML=strContent;
document.getElementById("msgDiv").appendChild(txt);
}
</script>

<input name="txtMACAddr" type="button" value="退出" onclick='sAlert("","你确定退出管理系统吗？<a href=index.php?ty=logout>《确定》</a> <a href=index.php?ty=adminmenu>《取消》</a>")'/>
<font color="#990000">后台采用JQUERY制作敬请期待．．．．．．</font>
</body>
</html>

第2个回答 2012-10-09

不要用''，换：'block':'none'

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