js mengawal kaedah pelaksanaan lapisan pop timbul div

Contoh dalam artikel ini menerangkan kaedah pelaksanaan js mengawal lapisan pop timbul div. Kongsikan dengan semua orang untuk rujukan anda. Analisis khusus adalah seperti berikut:

Ini adalah lapisan pop timbul dengan fungsi yang baik dan mudah untuk dipanggil dan dikawal. Rakan yang berminat boleh nyahpepijat dan menjalankannya untuk melihat cara ia berfungsi~O(∩_∩)O~

弹出窗口(可拖动，背景灰色透明)*{padding:0; margin:0}.close{float:right;cursor:default}")
function $(id){ return document.getElementById(id)}
function AlertMsg(title,content){
var msgw,msgh,msgbg,msgcolor,bordercolor,titlecolor,titlebg,con;
con = "分类：确定　取消";
//弹出窗口设置
msgw = 300;  //窗口宽度
msgh = 150;  //窗口高度
msgbg = "#FFF";  //内容背景
msgcolor = "#000";  //内容颜色
bordercolor = "#000"; //边框颜色
titlecolor = "#FFF"; //标题颜色
titlebg = "#369";  //标题背景
//遮罩背景设置
var sWidth,sHeight;
sWidth = screen.availWidth;
sHeight = document.body.scrollHeight;
//创建遮罩背景
var maskObj = document.createElement("div");
maskObj.setAttribute('id','maskdiv');
maskObj.style.position = "absolute";
maskObj.style.top = "0";
maskObj.style.left = "0";
maskObj.style.background = "#777";
maskObj.style.filter = "Alpha(opacity=30);";
maskObj.style.opacity = "0.3";
maskObj.style.width = sWidth + "px";
maskObj.style.height = sHeight + "px";
maskObj.style.zIndex = "10000";
document.body.appendChild(maskObj);
//创建弹出窗口
var msgObj = document.createElement("div")
msgObj.setAttribute("id","msgdiv");
msgObj.style.position ="absolute";
msgObj.style.top = (screen.availHeight - msgh) / 4 + "px";
msgObj.style.left = (screen.availWidth - msgw) / 2 + "px";
msgObj.style.width = msgw + "px";
msgObj.style.height = msgh + "px";
msgObj.style.fontSize = "12px";
msgObj.style.background = msgbg;
msgObj.style.border = "1px solid " + bordercolor;
msgObj.style.zIndex = "10001";
//创建标题
var thObj = document.createElement("div");
thObj.setAttribute("id","msgth");
thObj.className = "DragAble";
thObj.style.cursor = "move";
thObj.style.padding = "4px 6px";
thObj.style.color = titlecolor;
thObj.style.background = titlebg;
var titleStr = "关闭"+""+ title +"";
thObj.innerHTML = titleStr;
//创建内容
var bodyObj = document.createElement("div");
bodyObj.setAttribute("id","msgbody");
bodyObj.style.padding = "10px";
bodyObj.style.lineHeight = "1.5em";
bodyObj.innerHTML = con;
var txt = document.createTextNode(content)
bodyObj.appendChild(txt);
//生成窗口
document.body.appendChild(msgObj);
$("msgdiv").appendChild(thObj);
$("msgdiv").appendChild(bodyObj);
}
function CloseMsg(){
//移除对象
document.body.removeChild($("maskdiv"));
$("msgdiv").removeChild($("msgth"));
$("msgdiv").removeChild($("msgbody"));
document.body.removeChild($("msgdiv"));
}
//拖动窗口
var ie = document.all;  
var nn6 = document.getElementById&&!document.all;  
var isdrag = false;  
var y,x;  
var oDragObj;  
function moveMouse(e) {  
if (isdrag) {  
oDragObj.style.top = (nn6 ? nTY + e.clientY - y : nTY + event.clientY - y)+"px";  
oDragObj.style.left = (nn6 ? nTX + e.clientX - x : nTX + event.clientX - x)+"px";  
return false;  
}  
}  
function initDrag(e) {  
var oDragHandle = nn6 ? e.target : event.srcElement;  
var topElement = "HTML";  
while (oDragHandle.tagName != topElement && oDragHandle.className != "DragAble") {  
oDragHandle = nn6 ? oDragHandle.parentNode : oDragHandle.parentElement;  
}  
if (oDragHandle.className=="DragAble") {  
isdrag = true;  
oDragObj = oDragHandle.parentNode;  
nTY = parseInt(oDragObj.style.top);  
y = nn6 ? e.clientY : event.clientY;  
nTX = parseInt(oDragObj.style.left);  
x = nn6 ? e.clientX : event.clientX;  
document.onmousemove = moveMouse;  
return false;  
}  
}  
document.onmousedown = initDrag;  
document.onmouseup = new Function("isdrag=false");  
//-->
" _ue_custom_node_="true">

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