<HTML><HEAD>
<script>
function Fleft(){
img1.style.pixelLeft = img1.offsetLeft - 5;
}
function FRight(){
img1.style.pixelLeft = img1.offsetLeft + 5;
}
function FUp(){
img1.style.pixelTop = img1.offsetTop - 5;
}
function FDown(){
img1.style.pixelTop = img1.offsetTop + 5;
}
</script>
</HEAD>
<body>
<input onclick=Fleft() type=button value=left></input>
<input onclick=FRight() type=button value=right></input>
<input onclick=FUp() type=button value=Up></input>
<input onclick=FDown() type=button value=Down></input>
<FONT color=#000000><img id="img1" src="1.jpg" name="picture" style="position:absolute"></body></HTML>
<script>
function Fleft(){
img1.style.pixelLeft = img1.offsetLeft - 5;
}
function FRight(){
img1.style.pixelLeft = img1.offsetLeft + 5;
}
function FUp(){
img1.style.pixelTop = img1.offsetTop - 5;
}
function FDown(){
img1.style.pixelTop = img1.offsetTop + 5;
}
</script>
</HEAD>
<body>
<input onclick=Fleft() type=button value=left></input>
<input onclick=FRight() type=button value=right></input>
<input onclick=FUp() type=button value=Up></input>
<input onclick=FDown() type=button value=Down></input>
<FONT color=#000000><img id="img1" src="1.jpg" name="picture" style="position:absolute"></body></HTML>
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{
var obj = “”取到想要的控件的对象; objTop = obj.offsetTop;
objLeft = obj.offsetLeft; while(obj.tagName !="BODY")
{
//alert(obj.tagName);
obj = obj.offsetParent;
objTop += obj.offsetTop;
objLeft += obj.offsetLeft;
}
alert(objTop);
alert(objLeft);
}
这能取到其相对位置,但如何修改它的相对位置呢?
var to=new Object();
to.left=to.right=to.top=to.bottom=0;
var twidth=o.offsetWidth;
var theight=o.offsetHeight;
while(o!=document.body){
to.left+=o.offsetLeft;
to.top+=o.offsetTop;
o=o.offsetParent;
}
to.right=to.left+twidth;
to.bottom=to.top+theight;
return to;
}
<HTML>
<HEAD>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META content="MSHTML 6.00.2600.0" name=GENERATOR>
</head>
<body onload='mov()'>
<div style="height:1000px">
<img id='test' src="http://www.google.com/intl/zh-CN_ALL/images/logo.gif">
</div>
<SCRIPT LANGUAGE="JavaScript" defer>
<!--var div=document.getElementById("test")
div.style.position='absolute'function mov()
{
div.style.position='absolute'
div.style.left=(100+document.body.scrollLeft).toString()+'px'
div.style.top=(100+document.body.scrollTop).toString()+'px'
setTimeout("mov()",100)
}
-->
</SCRIPT>
</BODY>
</HTML>