求一个 拖动层被阻挡的问题 正常,select属window级对象,没有index等属性,也不受css层影响所以它是会覆盖在层上面的 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 <html><body><script language="javascript">var oldX;var oldY;function MouseDown(obj){oldX = event.x-obj.style.pixelLeft;oldY = event.y-obj.style.pixelTop;obj.setCapture(); //====>这里}function MouseUp(obj){obj.releaseCapture(); //=====这里}function MouseMove(obj){if(event.button==1){obj.style.pixelLeft = (event.x-oldX);obj.style.pixelTop = (event.y-oldY);}}</script><select name="s1"><option value="ss">sssss</option></select><div id="menu1" style="position:absolute; left:168px; top:52px; width:186px; z-index:2; background-color: #FF0000; layer-background-color: #FF0000; border: 1px none #000000; visibility: visible" onMouseDown="MouseDown(this);" onMouseUp="MouseUp(this);" onmouseMove="MouseMove(this);"> <iframe style="z-index:-1;position:absolute;top:0;left:0;width:100%;height:100%"></iframe> <table width="100%" border="1" cellspacing="0" cellpadding="0" bgcolor="#FF0000" style="z-index:2; "> <tr><td>fdsaf dsafdsf</td></tr> </table></div></body></html> JS 根据 ; 判断有几个 如何动态的在前台显示图片轮换?? 在textarea光标指定地方插入内容 问一个HTML插入视频的问题 非常着急 麻烦高手回答下 如何让动画gif文件正常动起来? 高难度:请大家不吝赐教,如何获取控件所在单元格 静态页面中可变部分是用shtml好还是js好 菜鸟问题:请教一个onmouseover事件的问题 高手请进: 关于天数累加的问题 如何利用javascript动态添加表格列? 怎样在listbox中指定的位置插入数据?
<body>
<script language="javascript">
var oldX;
var oldY;
function MouseDown(obj)
{
oldX = event.x-obj.style.pixelLeft;
oldY = event.y-obj.style.pixelTop;
obj.setCapture(); //====>这里}function MouseUp(obj)
{
obj.releaseCapture(); //=====这里
}function MouseMove(obj)
{
if(event.button==1)
{
obj.style.pixelLeft = (event.x-oldX);
obj.style.pixelTop = (event.y-oldY);
}
}
</script><select name="s1">
<option value="ss">sssss</option>
</select>
<div id="menu1" style="position:absolute; left:168px; top:52px; width:186px; z-index:2; background-color: #FF0000; layer-background-color: #FF0000; border: 1px none #000000; visibility: visible" onMouseDown="MouseDown(this);" onMouseUp="MouseUp(this);" onmouseMove="MouseMove(this);">
<iframe style="z-index:-1;position:absolute;top:0;left:0;width:100%;height:100%"></iframe>
<table width="100%" border="1" cellspacing="0" cellpadding="0" bgcolor="#FF0000" style="z-index:2; ">
<tr><td>fdsaf dsafdsf</td></tr>
</table>
</div>
</body>
</html>