在网上找到代码
但是运行的时候 没反应 哪里写错了呢?<!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=utf-8" />
<title>Rain Man</title>
<style type="text/css">
</style>
<script type="text/javascript">
function getElementPos(elementId) {
var ua = navigator.userAgent.toLowerCase();
var isOpera = (ua.indexOf('opera') != -1);
var isIE = (ua.indexOf('msie') != -1 && !isOpera); // not opera spoof
var el = document.getElementById(elementId);
if(el.parentNode === null || el.style.display == 'none') {
return false;
}
var parent = null;
var pos = [];
var box;
if(el.getBoundingClientRect) //IE
{
box = el.getBoundingClientRect();
var scrollTop = Math.max(document.documentElement.scrollTop, document.body.scrollTop);
var scrollLeft = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft);
return {x:box.left + scrollLeft, y:box.top + scrollTop};
}else if(document.getBoxObjectFor) // gecko
{
box = document.getBoxObjectFor(el);
var borderLeft = (el.style.borderLeftWidth)?parseInt(el.style.borderLeftWidth):0;
var borderTop = (el.style.borderTopWidth)?parseInt(el.style.borderTopWidth):0;
pos = [box.x - borderLeft, box.y - borderTop];
} else // safari & opera
{
pos = [el.offsetLeft, el.offsetTop];
parent = el.offsetParent;
if (parent != el) {
while (parent) {
pos[0] += parent.offsetLeft;
pos[1] += parent.offsetTop;
parent = parent.offsetParent;
}
}
if (ua.indexOf('opera') != -1 || ( ua.indexOf('safari') != -1 && el.style.position == 'absolute' )) {
pos[0] -= document.body.offsetLeft;
pos[1] -= document.body.offsetTop;
}
}
if (el.parentNode) {
parent = el.parentNode;
} else {
parent = null;
}
while (parent && parent.tagName != 'BODY' && parent.tagName != 'HTML') { // account for any scrolled ancestors
pos[0] -= parent.scrollLeft;
pos[1] -= parent.scrollTop;
if (parent.parentNode) {
parent = parent.parentNode;
} else {
parent = null;
}
}
return {x:pos[0], y:pos[1]};
}
</script>
</head><body>
<script type="text/javascript">
var pos=getElementPos("divId");
document.write(getElementPos("divId"));
alert("距左边距离"+ pos.x +",距上边距离"+pos.y);
</script>
<div id="divId" class="test" >Target<br />rainman</div></body>
</html>
但是运行的时候 没反应 哪里写错了呢?<!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=utf-8" />
<title>Rain Man</title>
<style type="text/css">
</style>
<script type="text/javascript">
function getElementPos(elementId) {
var ua = navigator.userAgent.toLowerCase();
var isOpera = (ua.indexOf('opera') != -1);
var isIE = (ua.indexOf('msie') != -1 && !isOpera); // not opera spoof
var el = document.getElementById(elementId);
if(el.parentNode === null || el.style.display == 'none') {
return false;
}
var parent = null;
var pos = [];
var box;
if(el.getBoundingClientRect) //IE
{
box = el.getBoundingClientRect();
var scrollTop = Math.max(document.documentElement.scrollTop, document.body.scrollTop);
var scrollLeft = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft);
return {x:box.left + scrollLeft, y:box.top + scrollTop};
}else if(document.getBoxObjectFor) // gecko
{
box = document.getBoxObjectFor(el);
var borderLeft = (el.style.borderLeftWidth)?parseInt(el.style.borderLeftWidth):0;
var borderTop = (el.style.borderTopWidth)?parseInt(el.style.borderTopWidth):0;
pos = [box.x - borderLeft, box.y - borderTop];
} else // safari & opera
{
pos = [el.offsetLeft, el.offsetTop];
parent = el.offsetParent;
if (parent != el) {
while (parent) {
pos[0] += parent.offsetLeft;
pos[1] += parent.offsetTop;
parent = parent.offsetParent;
}
}
if (ua.indexOf('opera') != -1 || ( ua.indexOf('safari') != -1 && el.style.position == 'absolute' )) {
pos[0] -= document.body.offsetLeft;
pos[1] -= document.body.offsetTop;
}
}
if (el.parentNode) {
parent = el.parentNode;
} else {
parent = null;
}
while (parent && parent.tagName != 'BODY' && parent.tagName != 'HTML') { // account for any scrolled ancestors
pos[0] -= parent.scrollLeft;
pos[1] -= parent.scrollTop;
if (parent.parentNode) {
parent = parent.parentNode;
} else {
parent = null;
}
}
return {x:pos[0], y:pos[1]};
}
</script>
</head><body>
<script type="text/javascript">
var pos=getElementPos("divId");
document.write(getElementPos("divId"));
alert("距左边距离"+ pos.x +",距上边距离"+pos.y);
</script>
<div id="divId" class="test" >Target<br />rainman</div></body>
</html>
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哼~~