javascript之鼠标拖动位置互换效果代码- Javascript

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Javascript 中的 javascript之鼠标拖动位置互换效果代码

出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-09-12 浏览: 87 ::

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用js查找法实现当前栏目的高亮显示的代码 javascript实现的动态添加表单元素input,button等(appendChild)

鼠标拖动，位置互换效果，主要用于div，提高用户体验等方面

点击运行可以看到效果:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<style type="text/css">
div.box{
position:relative;
padding:5px;
background-color:#000;
width:300px;
height:300px;
overflow:hidden;
}
div.box div.item{
float:left;
width:90px;
height:90px;
background-color:#ccc;
margin:5px;
position:relative;
cursor:pointer;
}
div.mask{ width:90px; height:90px; background-color:#f00; opacity:0.8; filter:progid:DXImageTransform.Microsoft.Alpha(opacity=80); position:absolute; visibility:hidden; top:20px; left:20px; z-index:10;
}
</style>
<script type="text/javascript">
var darg = { target : null, ox : 0, oy : 0
};
var box = document.createElement("div");
box.className = "box";
var mask = document.createElement("div");
mask.className = "mask";
box.appendChild(mask);
for(var i = 0; i < 9; i ++){ var item = document.createElement("div"); item.className = "item"; item.appendChild(document.createTextNode(i + 1)); item.onmousedown = function(){ var e = arguments[0] || window.event; var o = e.target || e.srcElement; darg.target = o; mask.style["top"] = o.offsetTop + "px"; mask.style["left"] = o.offsetLeft + "px"; mask.style["visibility"] = "visible"; darg.ox = e.clientX - mask.offsetLeft; darg.oy = e.clientY - mask.offsetTop; } box.appendChild(item);
}
document.body.appendChild(box);
function getItem(x,y){ x = x - box.offsetLeft; y = y - box.offsetTop; var o = box.childNodes[(3 - parseInt((box.offsetWidth - x)/100) + (2 - parseInt((box.offsetHeight - y)/100)) * 3)]; var n = darg.target.nextSibling; var on = o.nextSibling; box.insertBefore(o,n); box.insertBefore(darg.target,on);
}
document.onmousemove = function(){ if(darg.target != null && darg.target.nodeType == 1){ var e = arguments[0] || window.event; mask.style["left"] = e.clientX - darg.ox + "px"; mask.style["top"] = e.clientY - darg.oy + "px"; }
}
box.onmouseup = function(){ if(darg.target != null && darg.target.nodeType == 1){ var e = arguments[0] || window.event; var o = e.target || e.srcElement; getItem(e.clientX,e.clientY); darg.target = null; }
}
document.onmouseup = function(){ darg.target = null; mask.style["visibility"] = "hidden";
}
</script>
</body>
</html>

[Ctrl+A 全选提示:你可先修改部分代码,再按运行]

用js查找法实现当前栏目的高亮显示的代码 javascript实现的动态添加表单元素input,button等(appendChild)

Javascript 中的 javascript之鼠标拖动位置互换效果代码

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