js简单弹出层、遮罩层

<html>
<head>
<title>js简单弹出层</title>

<style>
    /*阴影边框效果*/
    .box-shadow-1 {
        -webkit-box-shadow: 3px 3px 3px;
        -moz-box-shadow: 3px 3px 3px;
        box-shadow: 3px 3px 3px;
    }

    .box-shadow-2 {
        -webkit-box-shadow: 0 0 10px #0CC;
        -moz-box-shadow: 0 0 10px #0CC;
        box-shadow: 0 0 10px #0CC;
    }

    .box-shadow-3 {
        -webkit-box-shadow: 0 0 10px rgba(0, 204, 204, .5);
        -moz-box-shadow: 0 0 10px rgba(0, 204, 204, .5);
        box-shadow: 0 0 10px rgba(0, 204, 204, .5);
    }

    .box-shadow-4 {
        -webkit-box-shadow: 0 0 10px 15px #0CC;
        -moz-box-shadow: 0 0 10px 15px #0CC;
        box-shadow: 0 0 10px 15px #0CC;
    }

    .box-shadow-5 {
        -webkit-box-shadow: inset 0 0 10px #0CC;
        -moz-box-shadow: inset 0 0 10px #0CC;
        box-shadow: inset 0 0 10px #0CC;
    }

    .box-shadow-6 {
        box-shadow: -10px 0 10px red, /*左边阴影*/
        10px 0 10px yellow, /*右边阴影*/
        0 -10px 10px blue, /*顶部阴影*/
        0 10px 10px green; /*底边阴影*/
    }

    .box-shadow-7 {
        box-shadow: 0 0 10px 5px black, 0 0 10px 20px red;
    }

    .box-shadow-8 {
        box-shadow: 0 0 10px 20px red, 0 0 10px 5px black;
    }

    .box-shadow-9 {
        box-shadow: 0 0 0 1px red;
    }



    .obj {
        width: 100px;
        height: 100px;
        margin: 50px auto;
        background: #eee;
    }

    .outer {
        width: 100px;
        height: 100px;
        border: 1px solid red;
    }

    .inner {
        width: 60px;
        height: 60px;
        background-color: red;
        -webkit-box-shadow: 50px 50px blue;
        -moz-box-shadow: 50px 50px blue;
        box-shadow: 50px 50px blue;
    }
</style>  

<script type="text/javascript">
    /*
     * 弹出DIV层1
    */
    function Ceng() {
        document.getElementById('ceng').style.display = 'block';
        document.getElementById('close').style.display = 'block';
        return false;
    }
    function closeCeng() {
        document.getElementById('ceng').style.display = 'none';
        document.getElementById('close').style.display = 'none';
        return false;

    }



    /*
     * 弹出DIV层2
    */
    function showDiv() {
        var Idiv = document.getElementById("Idiv");
        var mou_head = document.getElementById('mou_head');
        Idiv.style.display = "block";
        //以下部分要将弹出层居中显示
        Idiv.style.left = (document.documentElement.clientWidth - Idiv.clientWidth) / 2 + document.documentElement.scrollLeft + "px";
        Idiv.style.top = (document.documentElement.clientHeight - Idiv.clientHeight) / 2 + document.documentElement.scrollTop - 50 + "px";

        //以下部分使整个页面至灰不可点击
        var procbg = document.createElement("div"); //首先创建一个div
        procbg.setAttribute("id", "mybg"); //定义该div的id
        procbg.style.background = "#000000";
        procbg.style.width = "100%";
        procbg.style.height = "100%";
        procbg.style.position = "fixed";
        procbg.style.top = "0";
        procbg.style.left = "0";
        procbg.style.zIndex = "500";
        procbg.style.opacity = "0.6";
        procbg.style.filter = "Alpha(opacity=70)";
        //背景层加入页面
        document.body.appendChild(procbg);
        document.body.style.overflow = "hidden"; //取消滚动条

        //以下部分实现弹出层的拖拽效果
        var posX;
        var posY;
        mou_head.onmousedown = function (e) {
            if (!e) e = window.event; //IE
            posX = e.clientX - parseInt(Idiv.style.left);
            posY = e.clientY - parseInt(Idiv.style.top);
            document.onmousemove = mousemove;
        }
        document.onmouseup = function () {
            document.onmousemove = null;
        }
        function mousemove(ev) {
            if (ev == null) ev = window.event;//IE
            Idiv.style.left = (ev.clientX - posX) + "px";
            Idiv.style.top = (ev.clientY - posY) + "px";
        }
    }
    function closeDiv() //关闭弹出层
    {
        var Idiv = document.getElementById("Idiv");
        Idiv.style.display = "none";
        document.body.style.overflow = "auto"; //恢复页面滚动条
        var body = document.getElementsByTagName("body");
        var mybg = document.getElementById("mybg");
        body[0].removeChild(mybg);
    }
</script>
</head>
<body>
    <!--弹出层开始1-->
<a href="#" onclick="Ceng()">点击弹出1</a>
<div id="ceng" style="position:absolute;z-index:2;left:0;top:0;right:0;background-color:#000;filter:alpha(opacity=50);margin:1px 1px;display:none;100%;height:100%;text-align:center;"> 
</div>
<div id="close" style="position:absolute !important;left:30%;top:0px;z-index:3;border:1px solid #ff6600;background-color:#fff;margin:100px auto;padding:0px;display:none;400px;height:300px;text-align:right">
<a href="#" onclick="closeCeng()">关闭</a>
<div style="text-align:center;"><br>
<br> <a href="#">点击查看 >></a></div>
</div>
    <!--结束-->


<!--弹出层开始2-->
    <a href="#" onclick="Ceng()">点击弹出2</a>
<div id="Idiv" style="display:none; position:absolute; z-index:1000; background:#67a3d9;">
    <div id="mou_head" style="100px; height:10px;z-index:1001; position:absolute;">这个是用来实现拖层</div>
    <input type="button" value="关闭" onclick="closeDiv();" />
</div>
<!--结束-->

    <!--阴影边框效果-->
<div class="obj box-shadow-1"></div>  
    <div class="outer">  
        <div class="inner"></div>  
    </div>  
    <div class="obj  box-shadow-2" ></div>  
    <div class="obj  box-shadow-3" ></div>  
    <div class="obj  box-shadow-4" ></div>  
    <div class="obj  box-shadow-5" ></div>  
    <div class="obj  box-shadow-6" ></div>  
    <div class="obj  box-shadow-7" ></div>  
    <div class="obj  box-shadow-8" ></div>  
    <div class="obj  box-shadow-9" ></div>  
    <script type="text/javascript">
        $(document).ready(function () {
            if ($.browser.msie) {
                $('.obj').boxShadow(-10, -10, 5, "#0cc"); //obj元素使用了box-shadow  
            }
        });
    </script>  
</body>
</html>

遮罩层

 <style type="text/css">
        #zzc_bg
        {
            display: none;
            position: absolute;
            top: 0%;
            left: 0%;
            width: 100%;
            height: 100%;
            background-color: black;
            z-index: 1001;
            -moz-opacity: 0.7;
            opacity: .70;
            filter: alpha(opacity=70);
        }
        #zzc_show
        {
            display: none;
            position: absolute;
            top: 38%;
            left: 45%;
            width: 53%;
            z-index: 1002;
        }
        #zzc_show span
        {
            font-size: 35px;
            font-weight: bold;
            color: White;
        }
        #zzc_show img
        {
            width: 50px;
            height: 50px;
        }
    </style>

 <div id="zzc_bg">
    </div>
    <div id="zzc_show">
        <span>98%</span>
        <img src="../images/yuya_load.gif" />
    </div>

<script type="text/javascript" language="javascript">
var zzc_div = {
        showdiv: function () {
            document.getElementById("zzc_bg").style.height = window.screen.availHeight > document.body.clientHeight ? window.screen.availHeight : document.body.clientHeight;
            document.getElementById("zzc_bg").style.display = "block";
       document.getElementById("zzc_show").style.top = (document.documentElement.scrollTop + 170) + "px"; document.getElementById(
"zzc_show").style.display = "block"; }, hidediv: function hidediv() { document.getElementById("zzc_bg").style.display = 'none'; document.getElementById("zzc_show").style.display = 'none'; } } </script>
原文地址:https://www.cnblogs.com/elves/p/4269816.html