<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        .hide{

            display: none;

        }

    </style>

</head>

<body>

    <input id="i1" type="button" value="开关" />

    <div class="c1 hide">假装现在有效果了</div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        $('#i1').click(function () {

            /* 第一种方法

            if($('.c1').hasClass('hide')){

                $('.c1').removeClass('hide')

            }else {

                $('.c1').addClass('hide')

            }   */

            //jquery实现方法

            $('.c1').toggleClass('hide')

        })

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        .shade{

            position: fixed;

            left: 0;

            top: 0;

            right: 0;

            bottom: 0;

            background: rgba(0,0,0,.6) ;

            z-index: 20;

        }

        .modal{

            position: fixed;

            left: 50%;

            top: 50%;

            height: 300px;

            width: 400px;

            margin-top: -150px;

            margin-left: -200px;

            z-index: 30;

            border: 1px solid #ddd;

            background-color: white;

        }

        .hide{

            display: none;

        }

        .modal form {

            position: fixed;

            left: 50%;

            top: 50%;

            height: 200px;

            width: 229px;

            border: 1px;

            margin-left: -115px;

            margin-top: -100px;

        }

        .modal form p {

            float: right;

            margin-top: 12px;

        }

        .modal form span {

            float: right;

            display: inline-block;

            height: 18px;

            width: 170px;

            background-color: #FFEBEB;

            text-align: center;

            border: 1px solid #ffbdbe;

            color: #e4393c;

            font-size: 14px;

            visibility: hidden;

        }

        .modal form [type="button"] {

            position: absolute;

            bottom: -30px;

            left: 115px;

        }

        .modal form [value="提交"]{

            left: 50px;

        }

    </style>

</head>

<body>

    <div style="width: 300px; margin: 0 auto">

        <input type="button" value="添加主机" onclick="return Add();" />

        <table style="border: 2px solid #F5F5F5; width: 300px;">

            <thead>

                <tr>

                    <th >主机名</th>

                    <th >IP</th>

                    <th >端口</th>

                    <th>操作</th>

                </tr>

            </thead>

            <tbody>

                <tr>

                    <td target="host">c1.com</td>

                    <td target="ip">1.1.1.1</td>

                    <td target="port">8888</td>

                    <td onclick="Edit(this);">Edit</td>

                </tr>

               <tr>

                    <td target="host">c2.com</td>

                    <td target="ip">1.1.1.1</td>

                    <td target="port">8888</td>

                    <td onclick="Edit(this);">Edit</td>

                </tr>

                <tr>

                    <td target="host">c3.com</td>

                    <td target="ip">1.1.1.1</td>

                    <td target="port">8888</td>

                    <td onclick="Edit(this);">Edit</td>

                </tr>

                <tr>

                    <td target="host">.com</td>

                    <td target="ip">1.1.1.1</td>

                    <td target="port">8888</td>

                    <td onclick="Edit(this);">Edit</td>

                </tr>

            </tbody>

        </table>

    </div>

    <div class="shade hide"></div>

    <div  class="modal hide">

        <form action="" method="get">

            <p>主机名:<input type="text" id="host" name="host"><br><span></span></p>

            <p>IP地址:<input type="text" id='ip' name="ip"><br><span></span></p>

            <p>端口号:<input type="text" id='port' name="port"><br><span></span><br></p>

            <input type="button" value="提交" onclick="return SubmitForm();">

            <input type="button" value="取消" onclick="HideModal();">

        </form>

    </div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        $(function () {

           $("tr:even").css("background-color","#f5f5f5");

        });

        function Edit(ths) {

            $(".shade,.modal").removeClass("hide");

            prevList = $(ths).prevAll();

            prevList.each(function () {

                var text = $(this).text();

                var target = $(this).attr("target");

                $("#"+target).val(text);

            });

        }

        function HideModal() {

            $(".shade,.modal").addClass("hide");

            $(".modal").find("input[type='text']").val("");

            Addd = false;

        }

        function SubmitForm() {

            var flag = Detection();

            try {

                    if (Addd && flag){

                    $("tbody").append($("tr").last().clone());

                    $(".modal").find("input[type='text']").each(function () {

                        var value = $(this).val();

                        var name = $(this).attr("name");

                        ($("tr").last().children()).each(function () {

                            if ($(this).attr("target") == name){

                                $(this).text(value);

                                return

                            }

                                }

                        )});

                    Addd = false;

                    HideModal();

                    return false;

                }

            }catch (e){}

            if (flag){

                $(".modal").find("input[type='text']").each(function () {

                    var value = $(this).val();

                    var name = $(this).attr("name");

                    $(prevList).each(function () {

                        if ($(this).attr("target") == name){

                            $(this).text(value);

                            return

                        }

                            }

                    )});

                    $(".modal,.shade").addClass("hide");

                    HideModal();

                }

            return flag;

            }

        function Detection() {

            var flag = true;

            $(".modal").find("input[type='text']").each(function () {

                var value = $(this).val();

                if (value.length == 0){

                    $(this).next().next().css("visibility","visible").text("亲，不能为空");

                    flag = false;

                    return false;

                }else {

                    $(this).next().next().css("visibility","hidden").text("");

                }

                if ($(this).attr('name') == "host"){

                    var r = /(\.com)$/;

                    if (r.test(value) == false){

                        $(this).next().next().css("visibility","visible").text("主机名必须以.com结尾");

                        flag = false;

                        return false;

                }

                }else if ($(this).attr('name') == "ip"){

                    var r2 = /^(([0-2]?[0-9][0-9]?)\.){3}([0-2]?[0-9][0-9]?)$/;

                    if (r2.test(value) == false){

                        $(this).next().next().css("visibility","visible").text("ip 地址格式有误");

                        flag = false;

                        return false;

                    }

                }else if ($(this).attr('name') == "port"){

                    var r3 = /^([0-9]{1,5})$/;

                    if ((r3.test(value) == false) || (value > 65535)){

                        $(this).next().next().css("visibility","visible").text("端口必须为0-65535");

                        flag = false;

                        return false;

                    }

                }else {

                    $(this).next().next().css("visibility","hidden").text("");

                }

        });

        return flag;

        }

        function Add() {

            Addd = true;

            $(".shade,.modal").removeClass("hide");

        }

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        .hide{

            display: none;

        }

        .menu{

            height: 38px;

            background-color: #eeeeee;

            line-height: 38px;

        }

        .active{

            background-color: brown;

        }

        .menu .menu-item{

            float: left;

            border-right: 1px solid red;

            padding: 0 5px;

            cursor: pointer;

        }

        .content{

            min-height: 100px;

            border: 1px solid #eeeeee;

        }

    </style>

</head>

<body>

    <div style="width: 700px;margin:0 auto">

        <div class="menu">

            <div  class="menu-item active" a="1">菜单一</div>

            <div  class="menu-item" a="2">菜单二</div>

            <div  class="menu-item" a="3">菜单三</div>

        </div>

        <div class="content">

            <div b="1">内容一</div>

            <div class="hide"  b="2">内容二</div>

            <div class="hide" b="3">内容三</div>

        </div>

    </div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        $('.menu-item').click(function () {

            //点击menu-item，加上active，同时兄弟标签去掉active

            $(this).addClass('active').siblings().removeClass('active');

            //获取a的属性值2

            var target = $(this).attr('a');

            $('.content').children('[b="'+target+'"]').removeClass('hide').siblings().addClass('hide');

            // '[b="'+target+'"]'  字符串的拼接，找到content儿子里面属性等于2的，删除掉hide，同时兄弟加上hide

        })

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        .hide{

            display: none;

        }

        .menu{

            height: 38px;

            background-color: #eeeeee;

            line-height: 38px;

        }

        .active{

            background-color: brown;

        }

        .menu .menu-item{

            float: left;

            border-right: 1px solid red;

            padding: 0 5px;

            cursor: pointer;

        }

        .content{

            min-height: 100px;

            border: 1px solid #eeeeee;

        }

    </style>

</head>

<body>

    <div style="width: 700px;margin:0 auto">

        <div class="menu">

            <div  class="menu-item active" a="1">菜单一</div>

            <div  class="menu-item" a="2">菜单二</div>

            <div  class="menu-item" a="3">菜单三</div>

        </div>

        <div class="content">

            <div b="1">内容一</div>

            <div class="hide"  b="2">内容二</div>

            <div class="hide" b="3">内容三</div>

        </div>

    </div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        $('.menu-item').click(function () {

            $(this).addClass('active').siblings().removeClass('active');

            //eq($(this).index())是获取menu-item的索引

            $('.content').children().eq($(this).index()).removeClass('hide').siblings().addClass('hide');

        })

    </script>

</body>

</html>

索引菜单栏.html

<!DOCTYPE html>

<html>

<head lang="en">

    <meta charset="UTF-8">

    <title></title>

    <style>

        .edit-mode{

            background-color: #b3b3b3;

            padding: 8px;

            text-decoration: none;

            color: white;

        }

        .editing{

            background-color: #f0ad4e;

        }

    </style>

</head>

<body>

    <div style="padding: 20px">

        <input type="button" onclick="CheckAll('#edit_mode', '#tb1');" value="全选" />

        <input type="button" onclick="CheckReverse('#edit_mode', '#tb1');" value="反选" />

        <input type="button" onclick="CheckCancel('#edit_mode', '#tb1');" value="取消" />

        <a id="edit_mode" class="edit-mode" href="javascript:void(0);"  onclick="EditMode(this, '#tb1');">进入编辑模式</a>

    </div>

    <table border="1">

        <thead>

        <tr>

            <th>选择</th>

            <th>主机名</th>

            <th>端口</th>

            <th>状态</th>

        </tr>

        </thead>

        <tbody id="tb1">

            <tr>

                <td><input type="checkbox" /></td>

                <td edit="true">v1</td>

                <td>v11</td>

                <td edit="true" edit-type="select" sel-val="1" global-key="STATUS">在线</td>

            </tr>

            <tr>

                <td><input type="checkbox" /></td>

                <td edit="true">v1</td>

                <td>v11</td>

                <td edit="true" edit-type="select" sel-val="2" global-key="STATUS">下线</td>

            </tr>

            <tr>

                <td><input type="checkbox" /></td>

                <td edit="true">v1</td>

                <td>v11</td>

                <td edit="true" edit-type="select" sel-val="1" global-key="STATUS">在线</td>

            </tr>

        </tbody>

    </table>

    <script type="text/javascript" src="jquery-1.12.4.js"></script>

    <script>

        /*

         监听是否已经按下control键

         */

        window.globalCtrlKeyPress = false;

        window.onkeydown = function(event){

            if(event && event.keyCode == 17){

                window.globalCtrlKeyPress = true;

            }

        };

        window.onkeyup = function(event){

            if(event && event.keyCode == 17){

                window.globalCtrlKeyPress = false;

            }

        };

        /*

         按下Control，联动表格中正在编辑的select

         */

        function MultiSelect(ths){

            if(window.globalCtrlKeyPress){

                var index = $(ths).parent().index();

                var value = $(ths).val();

                $(ths).parent().parent().nextAll().find("td input[type='checkbox']:checked").each(function(){

                    $(this).parent().parent().children().eq(index).children().val(value);

                });

            }

        }

    </script>

    <script type="text/javascript">

$(function(){

    BindSingleCheck('#edit_mode', '#tb1');

});

function BindSingleCheck(mode, tb){

    $(tb).find(':checkbox').bind('click', function(){

        var $tr = $(this).parent().parent();

        if($(mode).hasClass('editing')){

            if($(this).prop('checked')){

                RowIntoEdit($tr);

            }else{

                RowOutEdit($tr);

            }

        }

    });

}

function CreateSelect(attrs,csses,option_dict,item_key,item_value,current_val){

    var sel= document.createElement('select');

    $.each(attrs,function(k,v){

        $(sel).attr(k,v);

    });

    $.each(csses,function(k,v){

        $(sel).css(k,v);

    });

    $.each(option_dict,function(k,v){

        var opt1=document.createElement('option');

        var sel_text = v[item_value];

        var sel_value = v[item_key];

        if(sel_value==current_val){

            $(opt1).text(sel_text).attr('value', sel_value).attr('text', sel_text).attr('selected',true).appendTo($(sel));

        }else{

            $(opt1).text(sel_text).attr('value', sel_value).attr('text', sel_text).appendTo($(sel));

        }

    });

    return sel;

}

STATUS = [

    {'id': 1, 'value': "在线"},

    {'id': 2, 'value': "下线"}

];

BUSINESS = [

    {'id': 1, 'value': "车上会"},

    {'id': 2, 'value': "二手车"}

];

function RowIntoEdit($tr){

    $tr.children().each(function(){

        if($(this).attr('edit') == "true"){

            if($(this).attr('edit-type') == "select"){

                var select_val = $(this).attr('sel-val');

                var global_key = $(this).attr('global-key');

                var selelct_tag = CreateSelect({"onchange": "MultiSelect(this);"}, {}, window[global_key], 'id', 'value', select_val);

                $(this).html(selelct_tag);

            }else{

                var orgin_value = $(this).text();

                var temp = "<input value='"+ orgin_value+"' />";

                $(this).html(temp);

            }

        }

    });

}

function RowOutEdit($tr){

    $tr.children().each(function(){

        if($(this).attr('edit') == "true"){

            if($(this).attr('edit-type') == "select"){

                var new_val = $(this).children(':first').val();

                var new_text = $(this).children(':first').find("option[value='"+new_val+"']").text();

                $(this).attr('sel-val', new_val);

                $(this).text(new_text);

            }else{

                var orgin_value = $(this).children().first().val();

                $(this).text(orgin_value);

            }

        }

    });

}

function CheckAll(mode, tb){

    if($(mode).hasClass('editing')){

        $(tb).children().each(function(){

            var tr = $(this);

            var check_box = tr.children().first().find(':checkbox');

            if(check_box.prop('checked')){

            }else{

                check_box.prop('checked',true);

                RowIntoEdit(tr);

            }

        });

    }else{

        $(tb).find(':checkbox').prop('checked', true);

    }

}

function CheckReverse(mode, tb){

    if($(mode).hasClass('editing')){

        $(tb).children().each(function(){

            var tr = $(this);

            var check_box = tr.children().first().find(':checkbox');

            if(check_box.prop('checked')){

                check_box.prop('checked',false);

                RowOutEdit(tr);

            }else{

                check_box.prop('checked',true);

                RowIntoEdit(tr);

            }

        });

    }else{

        $(tb).children().each(function(){

            var tr = $(this);

            var check_box = tr.children().first().find(':checkbox');

            if(check_box.prop('checked')){

                check_box.prop('checked',false);

            }else{

                check_box.prop('checked',true);

            }

        });

    }

}

function CheckCancel(mode, tb){

    if($(mode).hasClass('editing')){

        $(tb).children().each(function(){

            var tr = $(this);

            var check_box = tr.children().first().find(':checkbox');

            if(check_box.prop('checked')){

                check_box.prop('checked',false);

                RowOutEdit(tr);

            }else{

            }

        });

    }else{

        $(tb).find(':checkbox').prop('checked', false);

    }

}

function EditMode(ths, tb){

    if($(ths).hasClass('editing')){

        $(ths).removeClass('editing');

        $(tb).children().each(function(){

            var tr = $(this);

            var check_box = tr.children().first().find(':checkbox');

            if(check_box.prop('checked')){

                RowOutEdit(tr);

            }else{

            }

        });

    }else{

        $(ths).addClass('editing');

        $(tb).children().each(function(){

            var tr = $(this);

            var check_box = tr.children().first().find(':checkbox');

            if(check_box.prop('checked')){

                RowIntoEdit(tr);

            }else{

            }

        });

    }

}

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        .hide{

            display: none;

        }

        .modal{

            position: fixed;

            top: 50%;

            left: 50%;

            width: 500px;

            height: 400px;

            margin-left: -250px;

            margin-top: -250px;

            background-color: #eeeeee;

            z-index: 10;

        }

        .shadow{

            position: fixed;

            top: 0;

            left: 0;

            right: 0;

            bottom: 0;

            opacity: 0.6;

            background-color: black;

            z-index: 9;

        }

    </style>

</head>

<body>

    <a onclick="addElement();">添加</a>

    <table border="1" id="tb">

        <tr>

            <td target="hostname">1.1.1.11</td>

            <td target="port">80</td>

            <td target="ip">80</td>

            <td>

                <a class="edit">编辑</a> | <a class="del">删除</a>

            </td>

        </tr>

        <tr>

            <td target="hostname">1.1.1.12</td>

            <td target="port">80</td>

            <td target="ip">80</td>

            <td>

                <a class="edit">编辑</a> | <a class="del">删除</a>

            </td>

        </tr>

        <tr>

            <td target="hostname">1.1.1.13</td>

            <td target="port">80</td>

            <td target="ip">80</td>

            <td>

                <a class="edit">编辑</a> | <a class="del">删除</a>

            </td>

        </tr>

        <tr>

            <td target="hostname">1.1.1.14</td>

            <td target="port">80</td>

            <td target="ip">80</td>

            <td>

                <a class="edit">编辑</a> | <a class="del">删除</a>

            </td>

        </tr>

    </table>

    <div class="modal hide">

        <div>

            <input name="hostname" type="text"  />

            <input name="port" type="text" />

            <input name="ip" type="text" />

        </div>

        <div>

            <input type="button" value="取消" onclick="cancelModal();" />

            <input type="button" value="确定" onclick="confirmModal();" />

        </div>

    </div>

    <div class="shadow hide"></div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        $('.del').click(function () {

            $(this).parent().parent().remove();

        });

        function  confirmModal() {

            var tr = document.createElement('tr');

            var td1 = document.createElement('td');

            td1.innerHTML = "11.11.11.11";

            var td2 = document.createElement('td');

            td2.innerHTML = "8001";

            $(tr).append(td1);

            $(tr).append(td2);

            $('#tb').append(tr);

            $(".modal,.shadow").addClass('hide');

//            $('.modal input[type="text"]').each(function () {

//                // var temp = "<td>..."

//

//

//

//            })

        }

        function  addElement() {

            $(".modal,.shadow").removeClass('hide');

        }

        function cancelModal() {

            $(".modal,.shadow").addClass('hide');

            $('.modal input[type="text"]').val("");

        }

        $('.edit').click(function(){

            $(".modal,.shadow").removeClass('hide');

            // this

            var tds = $(this).parent().prevAll();

            tds.each(function () {

                // 获取td的target属性值

                var n = $(this).attr('target');

                // 获取td中的内容

                var text = $(this).text();

                var a1 = '.modal input[name="';

                var a2 = '"]';

                var temp = a1 + n + a2;

                $(temp).val(text);

            });

//            var port = $(tds[0]).text();

//            var host = $(tds[1]).text();

//

//            $('.modal input[name="hostname"]').val(host);

//            $('.modal input[name="port"]').val(port);

            // 循环获取tds中内容

            // 获取 <td>内容</td> 获取中间的内容

            // 赋值给input标签中的value

        });

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        .container{

            padding: 50px;

            border: 1px solid #dddddd;

        }

        .item{

            position: relative;

            width: 30px;

        }

    </style>

</head>

<body>

    <div class="container">

        <div class="item">

            <span>赞</span>

        </div>

    </div>

    <div class="container">

        <div class="item">

            <span>赞</span>

        </div>

    </div>

    <div class="container">

        <div class="item">

            <span>赞</span>

        </div>

    </div>

    <div class="container">

        <div class="item">

            <span>赞</span>

        </div>

    </div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        $('.item').click(function () {

            addFavor(this);

        })

        function addFavor(self) {

            var fontSize = 15;

            var top = 0;

            var right= 0;

            var opacity = 1;

            var tag = document.createElement('span');

            $(tag).text('+1');

            $(tag).css('color','green');

            $(tag).css('position','absolute');

            $(tag).css('fontSize',fontSize + 'px');

            $(tag).css('right',right + 'px');

            $(tag).css('top',top + 'px');

            $(tag).css('opacity',opacity + 'px');

            $(self).append(tag);

            var obj = setInterval(function () {

                fontSize = fontSize + 10;

                top = top - 10;

                right = right - 10;

                opacity = opacity - 0.1;

                $(tag).css('fontSize',fontSize + 'px');

                $(tag).css('right',right + 'px');

                $(tag).css('top',top + 'px');

                $(tag).css('opacity',opacity);

                if(opacity < 0 ){

                    clearInterval(obj);

                    $(tag).remove();

                }

            },40);

        }

    </script>

</body>

</html>

<!DOCTYPE html>

<html>

<head lang="en">

    <meta charset="UTF-8">

    <title></title>

</head>

<body>

    <div style="border: 1px solid #ddd;width: 600px;position: absolute;">

        <div id="title" style="background-color: black;height: 40px;"></div>

        <div style="height: 300px;"></div>

    </div>

<script type="text/javascript" src="jquery-1.12.4.js"></script>

<script>

    $(function(){

        $('#title').mouseover(function(){

            $(this).css('cursor','move');

        });

        $("#title").mousedown(function(e){

            //console.log($(this).offset());

            var _event = e || window.event;

            var ord_x = _event.clientX;

            var ord_y = _event.clientY;

            var parent_left = $(this).parent().offset().left;

            var parent_top = $(this).parent().offset().top;

            $('#title').on('mousemove', function(e){

                var _new_event = e || window.event;

                var new_x = _new_event.clientX;

                var new_y = _new_event.clientY;

                var x = parent_left + (new_x - ord_x);

                var y = parent_top + (new_y - ord_y);

                $(this).parent().css('left',x+'px');

                $(this).parent().css('top',y+'px');

            })

        });

        $("#title").mouseup(function(){

            $("#title").off('mousemove');

        });

    })

</script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        .error{

            color: red;

        }

    </style>

</head>

<body>

    <form id="f1" action="s5.html" method="POST">

        <div><input name="n1" tex = "用户名" type="text" /></div>

        <div><input name="n2" tex = "密码" type="password" /></div>

        <div><input name="n3" tex = "邮箱" type="text" /></div>

        <div><input name="n4" tex = "端口" type="text" /></div>

        <div><input name="n5" tex = "IP" type="text" /></div>

        <input type="submit" value="提交" />

    </form>

    <script src="jquery-1.12.4.js"></script>

    <script>

        // 当页面框架加载完毕后，自动执行

//        $(function(){

//            $.Login('#f1')

//        });

//

        $(function(){

            // 当页面所有元素完全加载完毕后，执行

            $(':submit').click(function () {

                $('.error').remove();

                var flag = true;

                $('#f1').find('input[type="text"],input[type="password"]').each(function () {

                    var v = $(this).val();

                    var n = $(this).attr('tex');

                    if(v.length <= 0){

                        flag = false;

                        var tag = document.createElement('span');

                        tag.className = "error";

                        tag.innerHTML = n + "必填";

                        $(this).after(tag);

                        // return false;

                    }

                });

                return flag;

        });

        });

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        *{

            margin: 0;

            padding: 0;

        }

        ul{

            list-style: none;

        }

        .out{

            width: 730px;

            height: 454px;

            margin: 50px auto;

            position: relative;

        }

        .out .img li{

            position: absolute;

            left: 0;

            top: 0;

        }

        .out .num{

            position: absolute;

            left:0;

            bottom: 20px;

            text-align: center;

            font-size: 0;

            width: 100%;

        }

        .out .btn{

            position: absolute;

            top:50%;

            margin-top: -30px;

            width: 30px;

            height: 60px;

            background-color: aliceblue;

            color: black;

            text-align: center;

            line-height: 60px;

            font-size: 40px;

            display: none;

        }

        .out .num li{

            width: 20px;

            height: 20px;

            background-color: black;

            color: #fff;

            text-align: center;

            line-height: 20px;

            border-radius: 60%;

            display: inline;

            font-size: 18px;

            margin: 0 10px;

            cursor: pointer;

        }

        .out .num li.active{

            background-color: red;

        }

        .out .left{

            left: 0;

        }

        .out .right{

            right: 0;

        }

        .out:hover .btn{

            display: block;

            color: white;

            font-weight: 900;

            background-color: black;

            opacity: 0.8;

            cursor: pointer;

        }

        .out img {

            height: 100%;

            width: 100%;

        }

    </style>

</head>

<body>

     <div class="out">

         <ul class="img">

             <li><a href="#"><img src="data:images/1.jpg" alt=""></a></li>

             <li><a href="#"><img src="data:images/2.jpg" alt=""></a></li>

             <li><a href="#"><img src="data:images/3.jpg" alt=""></a></li>

             <li><a href="#"><img src="data:images/4.jpg" alt=""></a></li>

             <li><a href="#"><img src="data:images/5.jpg" alt=""></a></li>

         </ul>

         <ul class="num">

             <!--<li class="active">1</li>-->

             <!--<li>2</li>-->

             <!--<li>3</li>-->

             <!--<li>4</li>-->

             <!--<li>5</li>-->

         </ul>

         <div class="left btn"><</div>

         <div class="right btn">></div>

     </div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        $(function(){

            var size=$(".img li").size();

            for (var i= 1;i<=size;i++){

                var li="<li>"+i+"</li>";

                $(".num").append(li);

            }

            $(".num li").eq(0).addClass("active");

            $(".num li").mouseover(function(){

               $(this).addClass("active").siblings().removeClass("active");

               var index=$(this).index();

               i=index;

               $(".img li").eq(index).fadeIn(1000).siblings().fadeOut(1000);

            });

        i=0;

        var t=setInterval(move,1500);

        function move(){

            i++;

            if(i==size){

                i=0;

            }

            $(".num li").eq(i).addClass("active").siblings().removeClass("active");

            $(".img li").eq(i).stop().fadeIn(1000).siblings().stop().fadeOut(1000);

        }

        function moveL(){

            i--;

            if(i==-1){

                i=size-1;

            }

            $(".num li").eq(i).addClass("active").siblings().removeClass("active");

            $(".img li").eq(i).stop().fadeIn(1000).siblings().stop().fadeOut(1000);

        }

        $(".out").hover(function(){

            clearInterval(t);

        },function(){

            t=setInterval(move,1500);

        });

        $(".out .right").click(function(){

            move()

        });

        $(".out .left").click(function(){

           moveL()

        })

        });

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        .divH {

            height: 1800px;

        }

        .divT {

            width: 50px;

            height: 50px;

            font-size: 23px;

            background-color: #2F4F4F;

            color: white;

            position: fixed;

            right: 18px;

            bottom: 18px;

        }

        .divT:hover{

            cursor: pointer;

        }

        .hide {

            display: none;

        }

    </style>

</head>

<body>

    <div class="divH"></div>

    <div class="divT hide" onclick="ReturnTop();"><strong>返回顶部</strong></div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        window.onscroll = function () {

            var current = $(window).scrollTop();

            if (current > 180){

                $(".divT").removeClass("hide");

            }else {

                $(".divT").addClass("hide");

            }

        };

        function ReturnTop() {

            $(window).scrollTop(0);

        }

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

          .menu{

              height: 600px;

              width: 30%;

              background-color: #2F4F4F;

              float: left;

          }

         .title{

             line-height: 50px;

             color: #ddd;

         }

         .title:hover{

             cursor: pointer;

             color: lightcyan;

             font-size: 18px;

         }

         .hide{

             display: none;

         }

    </style>

</head>

<body>

    <div class="outer">

        <div class="menu">

            <div class="item">

                <div class="title" onclick="Show(this);">菜单一</div>

                <div class="con">

                    <div>111</div>

                    <div>111</div>

                    <div>111</div>

                </div>

            </div>

            <div class="item">

                <div class="title" onclick="Show(this);">菜单二</div>

                <div class="con hide">

                    <div>222</div>

                    <div>222</div>

                    <div>222</div>

                </div>

            </div>

            <div class="item">

                <div class="title" onclick="Show(this);">菜单三</div>

                <div class="con hide">

                    <div>333</div>

                    <div>333</div>

                    <div>333</div>

                </div>

            </div>

        </div>

    </div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        function Show(self) {

            $(self).next().removeClass("hide").parent().siblings().children(".con").addClass("hide");

        }

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

</head>

<body>

    <!--1 隐藏与显示-->

    <!--2 淡入淡出-->

    <!--3 滑动-->

    <!--4 效果-回调:每一个动画执行完毕之后所能执行的函数方法或者所能做的一件事-->

    <p>hello</p>

    <button id="hide">隐藏</button>

    <button id="show">显示</button>

    <button id="toggle">隐藏/显示</button>

    <script src="jquery-1.12.4.js"></script>

    <script>

        $(document).ready(function(){

            $("#hide").click(function(){

                $("p").hide(1000);

            });

            $("#show").click(function(){

                $("p").show(1000);

            });

        //用于切换被选元素的 hide() 与 show() 方法。

            $("#toggle").click(function(){

                $("p").toggle(2000);

            });

        });

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        #flipshow,#content,#fliphide,#toggle{

            padding: 5px;

            text-align: center;

            background-color: blueviolet;

            border:solid 1px red;

        }

        #content{

            padding: 50px;

            display: none;

        }

    </style>

</head>

<body>

    <div id="flipshow">出现</div>

    <div id="fliphide">隐藏</div>

    <div id="toggle">toggle</div>

    <div id="content">helloworld</div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        $(document).ready(function(){

              $("#flipshow").click(function(){

                 $("#content").slideDown(1000);

              });

              $("#fliphide").click(function(){

                 $("#content").slideUp(1000);

              });

              $("#toggle").click(function(){

                 $("#content").slideToggle(1000);

              })

          });

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

</head>

<body>

<div class="outer">

           <div class="section">

               <div class="icons" style="display: inline-block">

                   <a onclick="Add(this);"><button>+</button></a>

               </div>

               <div class="inputs" style="display: inline-block">

                   <input type="checkbox">

                   <input type="text" value="IP">

               </div>

           </div>

       </div>

    <script src="jquery-1.12.4.js"></script>

    <script>

        function Add(self) {

            $(self).parentsUntil("outer").clone().find("a").html("<button>-</button>").attr("onclick","Remove(this);").end().eq(1).appendTo(".outer");

        }

        function Remove(self) {

            $(self).parentsUntil("outer").eq(1).remove();

        }

    </script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

    <meta name="viewport" content="width=device-width">

    <meta http-equiv="X-UA-Compatible" content="IE=8">

    <title>购物商城</title>

    <style>

            *{

                margin: 0;

                padding: 0;

            }

            .outer{

                position:relative;

                width:350px;

                height:350px;

                border:1px solid black;

            }

            .outer .small-box{

                position: relative;

                z-index: 1;

            }

            .outer .small-box .mark{

                position: absolute;

                display: block;

                width: 350px;

                height: 350px;

                background-color: #fff;

                filter: alpha(opacity=0);

                opacity: 0;

                z-index: 10;

            }

            .outer .small-box .float-box{

                display: none;

                width: 175px;

                height: 175px;

                position: absolute;

                background: #DAEEFC;

                filter: alpha(opacity=40);

                opacity: 0.4;

            }

            .outer .big-box{

                position: absolute;

                top: 0;

                left: 351px;

                width: 350px;

                height: 350px;

                overflow: hidden;

                border: 1px solid transparent;

                z-index: 1;

            }

            .outer .big-box img{

                position: absolute;

                z-index: 5

            }

    </style>

</head>

<body>

    <div  class="outer">

        <div  class="small-box">

            <div  class="mark"></div>

            <div  class="float-box" ></div>

            <img width="350" height="350" src="fanye.jpg">

        </div>

        <div class="big-box">

            <img width="900px" height="900px" src="fanye.jpg" >

        </div>

    </div>

<script src="jquery-1.12.4.js"></script>

<script>

   $(function(){

        $(".mark").mouseover(function () {

            $(".float-box").css("display","block");

            $(".big-box").css("display","block");

        });

        $(".mark").mouseout(function () {

            $(".float-box").css("display","none");

            $(".big-box").css("display","none");

        });

        $(".mark").mousemove(function (e) {

            var _event = e || window.event;  //兼容多个浏览器的event参数模式

            var float_box_width  = $(".float-box")[0].offsetWidth;

            var float_box_height = $(".float-box")[0].offsetHeight;//175,175

            var float_box_width_half  =  float_box_width / 2;

            var float_box_height_half =  float_box_height/ 2;//87.5,87.5

            var small_box_width  =  $(".outer")[0].offsetWidth;

            var small_box_height =  $(".outer")[0].offsetHeight;//360,360

            var mouse_left = _event.clientX   - float_box_width_half;

            var mouse_top = _event.clientY  - float_box_height_half;

            if (mouse_left < 0) {

                mouse_left = 0;

            } else if (mouse_left > small_box_width - float_box_width) {

                mouse_left = small_box_width - float_box_width;

            }

            if (mouse_top < 0) {

                mouse_top = 0;

            } else if (mouse_top > small_box_height - float_box_height) {

                mouse_top = small_box_height - float_box_height;

            }

            $(".float-box").css("left",mouse_left + "px");

            $(".float-box").css("top",mouse_top + "px");

            var percentX = ($(".big-box img")[0].offsetWidth - $(".big-box")[0].offsetWidth) / (small_box_width - float_box_width);

            var percentY = ($(".big-box img")[0].offsetHeight - $(".big-box")[0].offsetHeight) / (small_box_height - float_box_height);

            console.log($(".big-box img")[0].offsetWidth,$(".big-box")[0].offsetWidth,small_box_width,float_box_width)

            console.log(percentX,percentY)

            $(".big-box img").css("left",-percentX * mouse_left + "px");

            $(".big-box img").css("top",-percentY * mouse_top + "px")

        })

   })

</script>

</body>

</html>

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <title>Title</title>

    <style>

        *{

            margin: 0;

            padding: 0;

        }

        .hide{

            display:none;

        }

        .header-nav {

            height: 39px;

            background: #c9033b;

        }

        .header-nav .bg{

            background: #c9033b;

        }

        .header-nav .nav-allgoods .menuEvent {

            display: block;

            height: 39px;

            line-height: 39px;

            text-decoration: none;

            color: #fff;

            text-align: center;

            font-weight: bold;

            font-family: 微软雅黑;

            color: #fff;

            width: 100px;

        }

        .header-nav .nav-allgoods .menuEvent .catName {

            height: 39px;

            line-height: 39px;

            font-size: 15px;

        }

        .header-nav .nav-allmenu a {

            display: inline-block;

            height: 39px;

            vertical-align: top;

            padding: 0 15px;

            text-decoration: none;

            color: #fff;

            float: left;

        }

        .header-menu a{

            color:#656565;

        }

        .header-menu .menu-catagory{

            position: absolute;

            background-color: #fff;

            border-left:1px solid #fff;

            height: 316px;

            width: 230px;

             z-index: 4;

             float: left;

        }

        .header-menu .menu-catagory .catagory {

            border-left:4px solid #fff;

            height: 104px;

            border-bottom: solid 1px #eaeaea;

        }

        .header-menu .menu-catagory .catagory:hover {

            height: 102px;

            border-left:4px solid #c9033b;

            border-bottom: solid 1px #bcbcbc;

            border-top: solid 1px #bcbcbc;

        }

        .header-menu .menu-content .item{

            margin-left:230px;

            position:absolute;

            background-color:white;

            height:314px;

            width:500px;

            z-index:4;

            float:left;

            border: solid 1px #bcbcbc;

            border-left:0;

            box-shadow: 1px 1px 5px #999;

        }

    </style>

</head>

<body>

    <div class="pg-header">

    <div class="header-nav">

        <div class="container narrow bg">

            <div class="nav-allgoods left">

                <a id="all_menu_catagory" href="#" class="menuEvent">

                    <b class="catName">全部商品分类</b>>

                    <span class="arrow" style="display: inline-block;vertical-align: top;"></span>

                </a>

            </div>

        </div>

    </div>

    <div class="header-menu">

        <div class="container narrow hide">

            <div id="nav_all_menu" class="menu-catagory">

                <div class="catagory" float-content="one">

                    <div class="title">家电</div>

                    <div class="body">

                        <a href="#">空调</a>

                    </div>

                </div>

                <div class="catagory" float-content="two">

                    <div class="title">床上用品</div>

                    <div class="body">

                        <a href="http://www.baidu.com">床单</a>

                    </div>

                </div>

                <div class="catagory" float-content="three">

                    <div class="title">水果</div>

                    <div class="body">

                        <a href="#">橘子</a>

                    </div>

                </div>

            </div>

            <div id="nav_all_content" class="menu-content">

                <div class="item hide" float-id="one">

                    <dl>

                        <dt><a href="#" class="red">厨房用品</a></dt>

                        <dd>

                            <span>| <a href="#" target="_blank" title="勺子">勺子</a> </span>

                        </dd>

                    </dl>

                    <dl>

                        <dt><a href="#" class="red">厨房用品</a></dt>

                        <dd>

                            <span>| <a href="#" target="_blank" title="菜刀">菜刀</a> </span>

                        </dd>

                    </dl>

                    <dl>

                        <dt><a href="#" class="red">厨房用品</a></dt>

                        <dd>

                            <span>| <a href="#">菜板</a> </span>

                        </dd>

                    </dl>

                    <dl>

                        <dt><a href="#" class="red">厨房用品</a></dt>

                        <dd>

                            <span>| <a href="#" target="_blank" title="碗">碗</a> </span>

                        </dd>

                    </dl>

                </div>

                <div class="item hide" float-id="two">

                    <dl>

                        <dt><a href="#" class="red">床上用品</a></dt>

                        <dd>

                            <span>| <a href="#" target="_blank" title="">枕头</a> </span>

                        </dd>

                    </dl>

                    <dl>

                        <dt><a href="#" class="red">床上用品</a></dt>

                        <dd>

                            <span>| <a href="#" target="_blank" title="角阀">夏凉被</a> </span>

                        </dd>

                    </dl>

                    <dl>

                        <dt><a href="#" class="red">床上用品</a></dt>

                        <dd>

                            <span>| <a href="#" target="_blank" title="角阀">嘿嘿嘿</a> </span>

                        </dd>

                    </dl>

                </div>

                <div class="item hide" float-id="three">

                    <dl>

                        <dt><a href="#" class="red">厨房用品</a></dt>

                        <dd>

                            <span>| <a href="#" target="_blank" title="角阀">微波炉</a> </span>

                        </dd>

                    </dl>

                    <dl>

                        <dt><a href="#" class="red">厨房用品</a></dt>

                        <dd>

                            <span>| <a href="http://www.meilele.com/category-jiaofa" target="_blank" title="角阀">金菜刀</a> </span>

                        </dd>

                    </dl>

                </div>

            </div>

        </div>

    </div>

</div>

<script src="jquery-1.12.4.js"></script>

<script>

    $(function () {

        Change("#all_menu_catagory","#nav_all_menu","#nav_all_content")

    });

    function Change(menuF,menuS,menuT) {

        $(menuF).bind({

            "mouseover":function () {

            $(menuS).parent().removeClass("hide");

        },"mouseout":function () {

            $(menuS).parent().addClass("hide");

        }

        });

        $(menuS).children().bind({

            "mouseover":function () {

                $(menuS).parent().removeClass("hide");

                var $item = $(menuT).find('[float-id="' +　$(this).attr("float-content") + '"]');

                $item.removeClass("hide").siblings().addClass("hide");

            },

            "mouseout":function () {

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