本文實例講述了JS實現兼容各種浏覽器的高級拖動方法。分享給大家供大家參考,具體如下:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>高級拖動</title>
<style>
#toBeDraged{
width:100px;
height:100px;
line-height:100px;
border:1px solid red;
position:absolute;
text-align:center;
font-family:Arial, Helvetica, sans-serif;
cursor:move;
}
</style>
<script type= "text/javascript">
window.onload = function(){
doDrag();
}
function doDrag(){
var div = document.getElementById("toBeDraged");
var posx;
var posy;
div.onmousedown = function(e){
var e = e || window.event;
if (div.setCapture) {
div.setCapture();
}
posx = e.clientX - parseInt(div.offsetLeft);
posy = e.clientY - parseInt(div.offsetTop);
document.onmousemove = function(ev){
var ev = ev || window.event;//如果是IE
if (ev.setcapture) {
}
div.style.left = (ev.clientX - posx)+"px";
div.style.top = (ev.clientY - posy)+"px";
}
document.onmouseup = function(){
document.onmousemove = null;
document.onmouseup = null;
if (div.releaseCapture) {
div.releaseCapture();
}
}
}
}
</script>
</head>
<body>
<div id = "toBeDraged">你拖我啊!</div>
</body>
</html>
更多關於JavaScript相關內容感興趣的讀者可查看本站專題:《JavaScript切換特效與技巧總結》、《JavaScript查找算法技巧總結》、《JavaScript動畫特效與技巧匯總》、《JavaScript錯誤與調試技巧總結》、《JavaScript數據結構與算法技巧總結》、《JavaScript遍歷算法與技巧總結》及《JavaScript數學運算用法總結》
希望本文所述對大家JavaScript程序設計有所幫助。