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标题 js 弹出对话框(遮罩)透明,可拖动的简单实例
内容
    下面小编就为大家带来一篇js 弹出对话框(遮罩)透明,可拖动的简单实例。小编觉得挺不错的，现在就分享给大家，也给大家做个参考。
    js 弹出对话框(遮罩)透明,可拖动的简单实例
    <html>
    <head>
    <script>
    function sAlert(txt)
    {
    //var eSrc=(document.all)?window.event.srcElement:arguments[1];
    var shield = document.createElement("DIV");
    shield.id = "shield";
    shield.style.position = "absolute";
    shield.style.left = "0px";
    shield.style.top = "0px";
    shield.style.width = "100%";
    //window.alert(document.body.scrollHeight);
    shield.style.height = document.body.scrollHeight+"px";
    shield.style.background = "white";
    shield.style.textAlign = "center";
    shield.style.zIndex = "10000";
    shield.style.filter = "alpha(opacity=80)";
    shield.style.opacity = 0.8;
    //shield.style.border-width=thick;
    strHtml = "<input type=\"button\" value=\" 确 定 \" id=\"do_OK\" onclick=\"doOk()\" />\n";
    shield.innerHTML = strHtml;
    document.body.appendChild(shield);
    this.doOk = function(){
    document.body.removeChild(shield);
    }
    document.getElementById("do_OK").focus();
    }
    </script>
    </head>
    <body >
    <input type=button onclick="sAlert('登陆成功！')" value=登陆>
    <p><select><option>---</option></select></p>
    </body>
    </html>
    ------------------------------------------------------
    <html>
    <head>
    <script>
    var dragapproved=false
    var minrestore=0 //该变量表示窗口目前的状态，0表示初始化状态，1表示最大化状态
    var initialwidth,initialheight
    //若Client浏览器为IE5.0以上版本的
    var ie5=document.all&&document.getElementById
    //若Client浏览器为NetsCape6。0版本以上的
    var ns6=document.getElementById&&!document.all
    function iecompattest(){
    return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body
    }
    function drag_drop(e){
    if (ie5&&dragapproved&&event.button==1){
    document.getElementById("dwindow").style.left=tempx+event.clientX-offsetx+"px"
    document.getElementById("dwindow").style.top=tempy+event.clientY-offsety+"px"
    }
    else if (ns6&&dragapproved){
    document.getElementById("dwindow").style.left=tempx+e.clientX-offsetx+"px"
    document.getElementById("dwindow").style.top=tempy+e.clientY-offsety+"px"
    }
    }
    function initializedrag(e){
    offsetx=ie5? event.clientX : e.clientX
    offsety=ie5? event.clientY : e.clientY
    document.getElementById("dwindowcontent").style.display="none" //此句代码可不要
    tempx=parseInt(document.getElementById("dwindow").style.left)
    tempy=parseInt(document.getElementById("dwindow").style.top)
    dragapproved=true
    document.getElementById("dwindow").onmousemove=drag_drop
    }
    function loadwindow(width,height){
    if (!ie5&&!ns6) //若不为IE或Netscpae浏览器，则使用一般的Window.open进行弹出窗口处理
    //window.open(url,"","width=width,height=height,scrollbars=1")
    {
    }
    else{
    document.getElementById("dwindow").style.display='';
    document.getElementById("dwindow").style.width=initialwidth=width+"px";
    document.getElementById("dwindow").style.height=initialheight=height+"px";
    document.getElementById("dwindow").style.left="300px";
    document.getElementById("dwindow").style.top=ns6? window.pageYOffset*1+30+"px" : iecompattest().scrollTop*1+30+"px";
    //document.getElementById("cframe").src=url
    }
    }
    function maximize(){
    if (minrestore==0){
    minrestore=1 //maximize window
    document.getElementById("maxname").setAttribute("src","layout.png")
    document.getElementById("dwindow").style.width=ns6? window.innerWidth-20+"px" : iecompattest().clientWidth+"px"
    document.getElementById("dwindow").style.height=ns6? window.innerHeight-20+"px" : iecompattest().clientHeight+"px"
    }
    else{
    minrestore=0 //restore window
    document.getElementById("maxname").setAttribute("src","layout.png")
    document.getElementById("dwindow").style.width=initialwidth
    document.getElementById("dwindow").style.height=initialheight
    }
    document.getElementById("dwindow").style.left=ns6? window.pageXOffset+"px" : iecompattest().scrollLeft+"px"
    document.getElementById("dwindow").style.top=ns6? window.pageYOffset+"px" : iecompattest().scrollTop+"px"
    }
    function closeit(){
    document.getElementById("dwindow").style.display="none"
    }
    function stopdrag(){
    dragapproved=false;
    document.getElementById("dwindow").onmousemove=null;
    document.getElementById("dwindowcontent").style.display="" //extra
    }
    </script>
    </head>
    <body>
    <div id="dwindow" onMousedown="initializedrag(event)" onMouseup="stopdrag()" onSelectStart="return false">
    <div>
    <img src="layout.png" id="maxname" onClick="maximize()">
    <img src="icon_delete.gif" onClick="closeit()"></div>
    <div id="dwindowcontent">
    </div>
    </div>
    <input type="button" value="弹出窗口" onclick='loadwindow(300,200);'>
    </body>
    </html>
    以上这篇js 弹出对话框(遮罩)透明,可拖动的简单实例就是小编分享给大家的全部内容了，希望能给大家一个参考
随便看

　

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更新时间：2025/5/19 14:13:08