javascript獲得滑鼠的絕對位置

最後更新：2018-12-03 來源：互聯網

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head>

<body onmouseMove="getXY(event)">
<script language="JavaScript">
<!--
function mouseX(evt) {
if (evt.pageX) return evt.pageX;
else if (evt.clientX)
   return evt.clientX + (document.documentElement.scrollLeft ?
   document.documentElement.scrollLeft :
   document.body.scrollLeft);
else return null;
}
function mouseY(evt) {
if (evt.pageY) return evt.pageY;
else if (evt.clientY)
   return evt.clientY + (document.documentElement.scrollTop ?
   document.documentElement.scrollTop :
   document.body.scrollTop);
else return null;
}

function getXY(event)
{
    var e = event || window.event;
    var x = mouseX(e);
    var y = mouseY(e);
    document.getElementById("XY").innerHTML = "X:" + x + "<br />Y:" + y;
}

function getX(elementID)
{
        var el = elementID
        return el.offsetLeft

}

function getY(elementID)
{
        var el = elementID
        return el.offsetTop

}

function getElementPositionX(elemID)
{
var offsetTrail = document.getElementById(elemID);
var offsetLeft = 0;

   while(offsetTrail)
   {
      offsetLeft += offsetTrail.offsetLeft;
      offsetTrail = offsetTrail.offsetParent;
   }

    if (navigator.userAgent.indexOf("Mac") != -1 &&
        typeof(document.body.leftMargin) != "undefined") {
        offsetLeft += document.body.leftMargin;
    }

    return offsetLeft;
}

function getElementPositionY(elemID)
{
var offsetTrail = document.getElementById(elemID);
var offsetTop = 0;

   while(offsetTrail)
   {
      offsetTop += offsetTrail.offsetTop;
      offsetTrail = offsetTrail.offsetParent;
   }

    if (navigator.userAgent.indexOf("Mac") != -1 &&
        typeof(document.body.leftMargin) != "undefined") {
        offsetTop += document.body.topMargin;
    }
    return offsetTop;
}
function getElementPositionXY(elemID)
{
   var offsetTrail = elemID;
   var offsetLeft = 24;
   var offsetTop =0;

   while(offsetTrail)
   {
      offsetLeft += offsetTrail.offsetLeft;
      offsetTop += offsetTrail.offsetTop;
      offsetTrail = offsetTrail.offsetParent;
   }

    if (navigator.userAgent.indexOf("Mac") != -1 &&
        typeof(document.body.leftMargin) != "undefined") {
        offsetLeft += document.body.leftMargin;
        offsetLeft += document.body.leftMargin;
    }
   document.getElementById("txt_left").innerText = offsetLeft;
   document.getElementById("txt_top").innerText = offsetTop;
    document.getElementById("divMsg").style.top = offsetTop + "px";
}

//-->
</script>
滑鼠的絕對位置：<br />
<span id="XY" style="color:red;"></span><br /><br />
控制項輸入框txtPos的絕對位置：<br />
X：<span id="txt_left" style="color:red;"></span><br />
Y：<span id="txt_top" style="color:red;"></span><br />
<input type="text" name="txtPos" id="txtPos" onfocus="getElementPositionXY(this)"/>
<br /><br />
<div id="divMsg" style="height:60px;width:100px;background-color:#cccccc"></div>
</body>
</html>

本文章原先以中文撰寫並發佈於 aliyun.com，亦設英文版本，僅作資訊用途。本網站不對文章的準確性，完整性或可靠性或其任何翻譯作出任何明示或暗示的陳述或保證。如對該文章有任何疑慮或投訴，請傳送電郵至 info-contact@alibabacloud.com 並提供相關疑慮或投訴的詳細說明。職員會於 5 個工作天內與您聯絡，一經驗證之後，即會刪除該侵權內容。

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