请问怎样在不刷新页面的情况下调整div的位置:
<table width="500">
<tr>
<td>左边距100像素</td>
<td>左边距200像素</td>
</tr>
<tr>
<td colspan="2"><div id="Layer1" style="position:absolute; z-index:1">456</div>123</td> //div默认靠左,在表格内容的上方,需要左右移动。
</tr>
</table> 点击<td onclick="Create()">左边距100像素</td>,使层div的左边距为100像素;
点击<td onclick="Create()">左边距200像素</td>,使层div的左边距为200像素。
<table width="500">
<tr>
<td>左边距100像素</td>
<td>左边距200像素</td>
</tr>
<tr>
<td colspan="2"><div id="Layer1" style="position:absolute; z-index:1">456</div>123</td> //div默认靠左,在表格内容的上方,需要左右移动。
</tr>
</table> 点击<td onclick="Create()">左边距100像素</td>,使层div的左边距为100像素;
点击<td onclick="Create()">左边距200像素</td>,使层div的左边距为200像素。
document.getElementById('Layer1').style.left='100px'
}
<table width="500" align="center">
<tr>
<td onclick="c1()">左边距100像素</td>
<td onclick="c2()">左边距200像素</td>
</tr>
<tr>
<td colspan="2"><div id="Layer1" style="position:absolute; z-index:1; left: 50;">456</div>
123</td>
</tr>
</table>
<script type="text/javascript">
document.getElementById('Layer1').style.left='50px'
function c1(){
document.getElementById('Layer1').style.left='100px'
}
function c2(){
document.getElementById('Layer1').style.left='200px'
}
</script>
function create()
{
var layer = document.getElementById('Layer1'), elem = layer, offset = 0;
while (elem.tagName != 'BODY')
{
elem = elem.parentNode;
offset += elem.offsetLeft;
}
layer.style.left = (offset + 100) + 'px';
但我很菜,无法将div一开始的默认位置设定为距表格左边距为100,请大家指教(请写出具体代码):
<script type="text/javascript">
var layer = document.getElementById('Layer1'), elem = layer, offset = 0; //我想用这几句来定位div的默认位置为左边距100,但不起作用。
while (elem.tagName != 'BODY')
{
elem = elem.parentNode;
offset += elem.offsetLeft;
}
layer.style.left = (offset + 100) + 'px';
function c1(){
var layer = document.getElementById('Layer1'), elem = layer, offset = 0;
while (elem.tagName != 'BODY')
{
elem = elem.parentNode;
offset += elem.offsetLeft;
}
layer.style.left = (offset + 200) + 'px';
}
function c2(){
var layer = document.getElementById('Layer1'), elem = layer, offset = 0;
while (elem.tagName != 'BODY')
{
elem = elem.parentNode;
offset += elem.offsetLeft;
}
layer.style.left = (offset + 300) + 'px';
}
function c0()
{
var layer = document.getElementById('Layer1'), elem = layer, offset = 0;
while (elem.tagName != 'BODY')
{
elem = elem.parentNode;
offset += elem.offsetLeft;
}
layer.style.left = (offset + 100) + 'px';
}
</script>
<table width="500" align="center">
<tr>
<td><div><div id="Layer1" style="position:absolute; z-index:1; left: 50;">456</div></div>
123</td>
</tr>
</table>
<div align="center">
<input type="button" onClick="c0()" value="左边距100像素" />
<input type="button" onClick="c1()" value="左边距200像素" />
<input type="button" onClick="c2()" value="左边距300像素" />