JS实现悬浮移动窗口(悬浮广告)的特效-js教程-PHP中文网

JS实现悬浮移动窗口(悬浮广告)的特效

高洛峰

发布： 2017-02-04 14:21:53

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3546人浏览过

js方法：

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
    <head>
        <title> New Document </title>
        <meta name="Generator" content="EditPlus">
        <meta name="Author" content="">
        <meta name="Keywords" content="">
        <meta name="Description" content="">
        <script type="text/javascript">
            window.onload=function(){
                //写入
                var oneInner = document.createElement("div");
                oneInner.setAttribute("style","background:#663398;position:absolute;width:100px;height:100px;border:solid 3px #2F74A7;cursor:pointer;");
                var oneButton = document.createElement("input");
                oneButton.setAttribute("type","button");
                oneButton.setAttribute("value","x");
                if (oneButton.style.cssFloat)
                {
                    oneButton.style.cssFloat="right"
                }
                else
                {oneButton.style.styleFloat="right"}
                oneInner.appendChild(oneButton);
                document.body.appendChild(oneInner);

                //定时器
                var a1a = setInterval(moves,100);
                //函数
                var x = 10;
                var y = 10;
                function moves(){
                    var tops = oneInner.offsetTop
                    var lefts = oneInner.offsetLeft
                    if (lefts>=document.documentElement.clientWidth-oneInner.offsetWidth||lefts<=0)
                    {
                        x=-x
                    }
                    if (tops>=document.documentElement.clientHeight-oneInner.offsetHeight||tops<=0)
                    {
                        y=-y
                    }

                    tops+=y;
                    lefts+=x;
                    oneInner.style.top=tops+"px"
                    oneInner.style.left=lefts+"px"
                }
                //悬停停止
                oneInner.onmouseover=function(){
                    clearInterval(a1a);
                }
                //放手继续运动
                oneInner.onmouseout=function(){
                    a1a =setInterval(moves,100);
                }
                //删除
                oneButton.onclick=function(){
                    document.body.removeChild(oneInner);
                }
            }
        </script>
    </head>
    <body>

    </body>
</html>

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jquery方法：

<!DOCTYPE html>
<html>
    <head>
        <title></title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <script type="text/javascript" src="http://www.jb51.net/workspace/js/jquery-1.7.min.js"></script>
        <script>
            $(function(){
                //写入div
                $("<div/>",{id:"moveWindow"}).css({width:"200px",height:"200px",border:"solid 3px #2F74A7",background:"#663398",position:"absolute",cursor:"pointer"}).appendTo("body");
                //写入关闭按钮
                $("<div/>",{id:"removeMW"}).css({width:"20px",height:"20px",background:"red",float:"right"}).appendTo("#moveWindow");
                //定时器
                var move = setInterval(moves,100);
                var x= 10;
                var y= 10;

                function moves (){
                    var mw = $("#moveWindow").offset();
                    var lefts =mw.left;
                    var tops = mw.top;
                    if (lefts>=$(window).width()-$("#moveWindow").width()||lefts<=0)
                    {
                        x=-x
                    }
                    if (tops>=$(window).height()-$("#moveWindow").height()||tops<=0)
                    {
                        y=-y
                    }
                    lefts+=x;
                    tops+=y;

                    $("#moveWindow").offset({top:tops,left:lefts});

                }
                //悬停停止运动
                $("#moveWindow").mouseover(function(){
                    clearInterval(move);
                });
                //移开鼠标后继续运动
                $("#moveWindow").mouseout(function(){
                    move = setInterval(moves,100);
                });
                //点击按钮关闭
                $("#removeMW").click(function(){
                    $("#moveWindow").remove();
                });
            })
        </script>
    </head>
    <body>
    </body>
</html>

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基本思路：

1.页面加载完成之后向页面插入窗口，之后向窗口插入关闭按钮

2.使用setInterval()函数触发moves（）函数开始动画

3.moves函数：首先获取当前窗口位置，之后随时间使窗口位移，每当位移到游览器边缘时反向运动

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