Javascript获取某一标签的座标并返回其座标对象_javascript教程教程_H5之家

昨天搞了一个日历选择器的小东西，竟然发现以前用的获取标签的座标的函数在Firefox下不能执行，比较郁闷。于是花心思整理了一个，现此代码支持Ie,Firefox,Opera，记录于此！

javascript获取座标
function getAbsPoint(e) {
    var x = e.offsetLeft;
    var y = e.offsetTop;
    while(e = e.offsetParent) {
        x += e.offsetLeft;
        y += e.offsetTop;
    }
    return {"x": x, "y": y};
}

javascript获取座标使用方法
<html>
<head>
<meta http-equiv=content-type content="text/html; charset=UTF-8">
<title>phplamp.org</title>
<script type="text/javascript">
function getAbsPoint(e) {
    var x = e.offsetLeft;
    var y = e.offsetTop;
    while(e = e.offsetParent){
        x += e.offsetLeft;
        y += e.offsetTop;
    }
    return {"x": x, "y": y};
}
function phplamp(e) {
    var xy = getAbsPoint(e);
    alert("offsetLeft=" + xy.x + "\noffsetTop=" + xy.y);
}
</script>
</head>
<body>
<input type="button" value="点击" />
</body>
</html>