我有一个 HTML 页面，当点击一个链接时，我试图让一个弹出元素(只是一个出现在链接上的 div 框)出现在被点击的链接上方。我使用 javascript 来执行此操作，但我的问题是弹出元素定位在链接下方而它应该位于链接上方。
你知道我做错了什么吗？我该如何解决？
<!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"><!-- InstanceBegin template="/Templates/homepage.dwt" codeOutsideHTMLIsLocked="false" -->
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<style type="text/css" media="all">
<!--
html, body, div, form, fieldset, legend, label, img { margin: 0; padding: 0; } table { border-collapse: collapse; border-spacing: 0; } th, td { text-align: center; } h1, h2, h3, h4, h5, h6, th, td, caption { font-weight:normal; } img { border: 0; }
body { padding: 20%; background-color: green; }
.container { background-color: white; }
.newEle { width: 100px; height: 100px; background-color: red; }
-->
</style>
<script type="text/javascript">
function getOffset( el )
{
var _x = 0;
var _y = 0;
while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) )
{
_x += el.offsetLeft - el.scrollLeft;
_y += el.offsetTop - el.scrollTop;
el = el.parentNode;
}
return { top: _y, left: _x };
}
function onClick( n, ele )
{
// Should display a popup box just above the HTML element called "ele"
// but what actually happens is that the box is displayed below the element
// called "ele"
var infoBox = document.createElement("div");
infoBox.style.zIndex = "5";
//infoBox.offsetRight = ele.offsetRight;
//infoBox.offsetBottom = parseInt(ele.offsetBottom, 10) - 200 + "px";
infoBox.style.x = getOffset( ele ).left + "px";
infoBox.style.y = getOffset( ele ).top - 200 + "px";
infoBox.style.width = "200px";
infoBox.style.height = "200px";
infoBox.style.backgroundColor = "blue";
infoBox.innerHTML = "Hello";
document.body.appendChild( infoBox );
}
</script>
</head>
<body>
<div class="container">
<a class="newEle" onclick="onClick(1,this)">Create New Element</a>
</div>
</body>
</html>
最佳答案
将此添加到您的 CSS。
.container, .newEle {display: block; float: left;}
然后绝对定位你的元素。
关于javascript - 使用javascript制作一种弹出窗口，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/5507809/