请问如何实现这种功能 select的onchange事件中写JavaScript来控制别的表单元素的visibility属性为"hidden"或"none"就可以了 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <select name=n1 onchange="if (this.options[this.selectedIndex].value=='v1') {d1.style.visibility='inherit';d2.style.visibility='hidden';} else {d2.style.visibility='inherit';d1.style.visibility='hidden';}"><option value=v1 selected>v1</option><option value=v2>v2</option></select><div id=d1 style="visibility:hidden"><input name=dd></div><div id=d2 style="visibility:hidden"><input type=button name=dd value="button"></div> 测试通过<script>function Show(pSelf){ for(iIndex=0;iIndex<pSelf.length;iIndex++) { if(pSelf.options[iIndex].selected) { eval("document.all.ID"+pSelf.options[iIndex].text+".style.visibility='';"); } else {eval("document.all.ID"+pSelf.options[iIndex].text+".style.visibility='hidden';"); } }}</script><select onchange="Show(this)"><option>1</option><option>2</option></select><br><input type=text id="ID1" value="1" style="visibility:hidden;"><br><input type=text id="ID2" value="2" style="visibility:hidden;"> <HTML><HEAD><META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0"><TITLE></TITLE></HEAD><BODY><select id=S0 onChange="foo()"><option>1</option><option>2</option></select><br><select id=S1><option>1</option><option>2</option></select><select id=S2><option>1</option><option>2</option></select><br><input type=button id=button1 name=button1 value=click style="visibility:hidden"><input type=button id=button2 name=button2 value=click style="visibility:hidden"><input type=button id=button3 name=button3 value=click style="visibility:hidden"><script>function foo(){ if(S0.selectedIndex == 0){ S1.style.visibility = ""; S2.style.visibility = ""; } else{ S1.style.visibility = "hidden"; S2.style.visibility = "hidden"; } if(S0.selectedIndex == 1){ button1.style.visibility = ""; button2.style.visibility = ""; button3.style.visibility = ""; } else{ button1.style.visibility = "hidden"; button2.style.visibility = "hidden"; button3.style.visibility = "hidden"; }}</script></BODY></HTML> 我要把这些select 和button还有比如radio等放在一个table中如果通过设置visibility的方法会不会影响页面的视觉效果呢? 试验了一下虽然不可见但是还是占地方有没有好的解决方法?我想是不是可以在select的onchange的时候提交这个页面到自身然后获得被选中的项的参数然后写页面?但是有点麻烦 图片切换的JS,有时候出现图片乱跳 求教啊 100分求JQUERY 返回值问题!怎么区分返回的值! JS 排序问题 框架页面地址获取(高分) 在text框下onKeydown事件中怎么取得刚输入的字符 单选框(radiobutton)如何进行.js或.asp的调用? 如何得到ID 为Layer1的图层下面所包含的图层个数? js json格式字符串 echart 折线混合图 图例太多显示不下怎么办? 请教控制FLASH播放的问题. 如何得到当前浏览器的cookie?
<option value=v1 selected>v1</option>
<option value=v2>v2</option>
</select>
<div id=d1 style="visibility:hidden"><input name=dd></div>
<div id=d2 style="visibility:hidden"><input type=button name=dd value="button"></div>
<script>
function Show(pSelf)
{
for(iIndex=0;iIndex<pSelf.length;iIndex++)
{
if(pSelf.options[iIndex].selected)
{
eval("document.all.ID"+pSelf.options[iIndex].text+".style.visibility='';");
}
else
{eval("document.all.ID"+pSelf.options[iIndex].text+".style.visibility='hidden';");
}
}
}
</script>
<select onchange="Show(this)">
<option>1</option>
<option>2</option>
</select>
<br>
<input type=text id="ID1" value="1" style="visibility:hidden;">
<br>
<input type=text id="ID2" value="2" style="visibility:hidden;">
<HEAD>
<META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
<TITLE></TITLE>
</HEAD>
<BODY>
<select id=S0 onChange="foo()">
<option>1</option>
<option>2</option>
</select>
<br>
<select id=S1>
<option>1</option>
<option>2</option>
</select>
<select id=S2>
<option>1</option>
<option>2</option>
</select>
<br>
<input type=button id=button1 name=button1 value=click style="visibility:hidden">
<input type=button id=button2 name=button2 value=click style="visibility:hidden">
<input type=button id=button3 name=button3 value=click style="visibility:hidden">
<script>
function foo(){
if(S0.selectedIndex == 0){
S1.style.visibility = "";
S2.style.visibility = "";
}
else{
S1.style.visibility = "hidden";
S2.style.visibility = "hidden";
}
if(S0.selectedIndex == 1){
button1.style.visibility = "";
button2.style.visibility = "";
button3.style.visibility = "";
}
else{
button1.style.visibility = "hidden";
button2.style.visibility = "hidden";
button3.style.visibility = "hidden";
}
}
</script></BODY>
</HTML>
还有比如radio等
放在一个table中
如果通过设置visibility的方法
会不会影响页面的视觉效果呢?
虽然不可见
但是还是占地方
有没有好的解决方法?我想是不是可以在select的onchange的时候提交这个页面到自身
然后获得被选中的项的参数
然后写页面?
但是有点麻烦