javascript设置div坐标并使其由隐藏变为显示解决方法
日期：2014-05-16 浏览次数：20423 次
javascript设置div坐标并使其由隐藏变为显示
上代码：
<head runat="server">
<title>问题</title>
<style type="text/css">
#div1
{
background: #A2B5CD;
height: 100px;
width: 150px;
}
</style>
<script language="javascript" type="text/javascript">
function ShowDiv() {
var leftdis = document.getElementById("textbox1").offsetLeft;
var topdis = document.getElementById("textbox1").offsetTop;
var _div = document.getElementById("div1");
var setleft = _div.style.left;
var settop = _div.style.top;
setleft = leftdis + "px";
settop = (topdis + 60) + "px";
alert(settop);//测试作用
document.getElementById("div1").style.display = "block";
}
function HiddDiv() {
document.getElementById("div1").style.display= "none";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:TextBox ID="textbox1" runat="server" onfocus="ShowDiv()" onblur="HiddDiv()" />
<div id="div1"style=" display:none ">
ABCDEFG</div>
</form>
</body>
</html>
------解决方案--------------------
上代码：
<head runat="server">
<title>问题</title>
<style type="text/css">
#div1
{
background: #A2B5CD;
height: 100px;
width: 150px;
}
</style>
<script language="javascript" type="text/javascript">
function ShowDiv() {
var leftdis = document.getElementById("textbox1").offsetLeft;
var topdis = document.getElementById("textbox1").offsetTop;
var _div = document.getElementById("div1");
var setleft = _div.style.left;
var settop = _div.style.top;
setleft = leftdis + "px";
settop = (topdis + 60) + "px";
alert(settop);//测试作用
document.getElementById("div1").style.display = "block";
}
function HiddDiv() {
document.getElementById("div1").style.display= "none";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<asp:TextBox ID="textbox1" runat="server" onfocus="ShowDiv()" onblur="HiddDiv()" />
<div id="div1"style=" display:none ">
ABCDEFG</div>
</form>
</body>
</html>
------解决方案--------------------
- HTML code
<!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 runat="server">
<title>问题</title>
<style type="text/css">
#div1
{
background: #A2B5CD;
height: 100px;
width: 150px;
}
</style>
<script language="javascript" type="text/javascript">
function ShowDiv() {
var leftdis = document.getElementById("textbox1").offsetLeft;
var topdis = document.getElementById("textbox1").offsetTop;
var _div = document.getElementById("div1");
//var setleft = _div.style.marginLeft;
//var settop = _div.style.marginTop;
// setleft = leftdis + "px";
//settop = (topdis + 60) + "px";
//alert(settop); //测试作用
_div.style.marginTop = (topdis + 60) + "px";
document.getElementById("div1").style.display = "block";
}
function HiddDiv() {
document.getElementById("div1").style.display = "none";
}
</script>
</head>
<body>
<form id="form1" runat="server">
<input type='text' id="textbox1" onfocus="ShowDiv()" onblur="HiddDiv()" style=' position:relative;' />
<div id="div1" style="display: none">
ABCDEFG</div>
</form>
</body>
</html>
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