js怎么完成隐藏div的显示
日期：2014-05-16 浏览次数：20379 次
js如何完成隐藏div的显示
想用js实现一个效果：鼠标指向默认隐藏的div，该div显示出来；鼠标移开，该div恢复隐藏，我是这样写的，可是并没有正常工作，鼠标指向后，隐藏的div并没有显示出来，这是为何？
------解决方案--------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
</head>
<style type="text/css">
td{
opacity:0;
filter:alpha(opacity=0);
}
</style>
<script language = "javascript">
function showmore(obj){
obj.style.opacity = "1";
obj.style.filter = "alpha(opacity=100)";
}
</script>
<script language = "javascript"><
想用js实现一个效果：鼠标指向默认隐藏的div，该div显示出来；鼠标移开，该div恢复隐藏，我是这样写的，可是并没有正常工作，鼠标指向后，隐藏的div并没有显示出来，这是为何？
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
</head>
<script language = "javascript">
function showmore(obj){
obj.style.visibility = "visible";
}
</script>
<script language = "javascript">
function hide(obj)
{
obj.style.visibility="hidden";
}
</script>
<style type = "text/css">
table.color1{background-color:red;}
table.color2{background-color:blue;}
table.color3{background-color:yellow;}
</style>
<body>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td height="30" align="center" id="t1" onmouseover = "showmore(this)" onmouseout="hide(this)" style = "visibility:hidden">表格1内容</td>
<td height="30" align="center" id="t2" onmouseover="showmore(this)" onmouseout="hide(this)" style = "visibility:hidden">表格2内容</td>
<td height="30" align="center" id="t3" onmouseover="showmore(this)" onmouseout="hide(this)" style = "visibility:hidden">表格3内容</td>
</tr>
</table>
</body>
</html>
------解决方案--------------------
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
</head>
<style type="text/css">
td{
opacity:0;
filter:alpha(opacity=0);
}
</style>
<script language = "javascript">
function showmore(obj){
obj.style.opacity = "1";
obj.style.filter = "alpha(opacity=100)";
}
</script>
<script language = "javascript"><
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