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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>鼠标位置 路口师傅 修改上一篇js错误 有点乱</title>
</head>
<body>
<!--table-->
<table>
<tr>
<td>X轴:</td><td id="xx"></td>
</tr>
<td>Y轴:</td><td id="yy"></td>
</table>
<!--div-->
<div id="div">
蓝色div
/*
内外边距不影响offsetLeft与offsetTop
*/
</div>
<div style="clear:both;border:1px solid ">
<div id="div2">
红色div2
<pre>
/*float:left; 不影响offsetTop offsetLeft
position:relative; 不影响offsetTop offsetLeft
position:absolute; 不影响offsetTop&offsetLeft
top:500px;
</pre>
<img src="https://gss0.baidu.com/9vo3dSag_xI4khGko9WTAnF6hhy/zhidao/pic/item/3801213fb80e7bec0d1f10ef2f2eb9389a506bf2.jpg" alt="网络资源">
</body>
</html>
xxxxxxxxxx
var oDiv = document.getElementById('div');
var oDiv2 = document.getElementById('div2');
var oxx = document.getElementById('xx');
var oyy = document.getElementById('yy');
oDiv.onmousemove=function(event){
/*得到相对于盒子的鼠标位置*/
oxx.innerHTML = (event.clientX+document.body.scrollLeft)-oDiv.offsetLeft;
oyy.innerHTML = (event.clientY+document.body.scrollTop)-oDiv.offsetTop;
}
oDiv2.onmousemove=function(event){
oxx.innerHTML = (event.clientX+document.body.scrollLeft)-oDiv2.offsetLeft;
oyy.innerHTML = (event.clientY+document.body.scrollTop)-oDiv2.offsetTop;
窗口滚动距离
document.body.scrollTop;
document.body.scrollLeft;
------------------------------------
offsetLeft
offsetTop
普通元素位置
----------------------------------
event.clientX + document.body.scrollLeft
event.clientY + document.body.scrollTop
鼠标相对于文档位置(已加入窗口滚动情况)
——是相加-》上一张错误
body{
padding:20px;
table{
position:fixed;
right:0px;
top:50px;
border:1px solid blue;
table tr,td{
img{
border:1px solid green;
#div{
width:500px;
height:100px;
margin:20px;
#div2{
border:10px solid red;
float:left;不影响offsetTop offsetLeft
position:relative;不影响offsetTop offsetLeft
position:absolute;不影响offsetTop&offsetLeft