Home  >  Article  >  Web Front-end  >  js control div popup layer implementation method

js control div popup layer implementation method

PHPz
PHPzOriginal
2016-05-16 15:59:551377browse

The example in this article describes the implementation method of js controlling div pop-up layer. Share it with everyone for your reference. The specific analysis is as follows:

This is a pop-up layer with good functions and easy to call and control. Interested friends can debug and run it to see how it works~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">

[Related tutorial recommendations]

1. JavaScript video tutorial
2. JavaScript online manual
3. bootstrap tutorial

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn