HTML Tab选项卡制作

这是一个使用HTML和JavaScript实现Tab切换效果的代码示例。通过为HTML元素添加样式和事件监听,当鼠标悬停在不同的选项上时,内容区域会相应显示不同的模块。示例中展示了如何通过JavaScript动态修改元素的样式和内容展示状态。

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HTML部分的代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

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

<title>Tab效果</title>

<style>

    *{

margin:0;

padding:0;

list-style:none;

font-size:12px;

}

.notice{

width:298px;

height:98px;

margin:10px;

border:1px solid #eee;

overflow:hidden;

}

.notice-tit{

position:relative;

height:27px;

background-color:#f7f7f7;

}

.notice-tit ul{

position:absolute;

width:301px;

left:-1px;

}

.notice-tit li{

float:left;

width:58px;/*298/5*/

height:26px;

line-height:26px;

text-align:center;

overflow:hidden;

padding:1px;/*防止高亮时候出现左右边框改变div的大小*/

border-bottom:1px solid #eee;

}

.notice li a{

text-decoration:none;

color:#000;

}

.notice li a:hover{

color:#c00;

}

.notice-tit ul .select{

background:#fff;

border-bottom:#fff;

border-left:1px solid #eee;

border-right:1px solid #eee;

padding:0;

font-weight:bolder;

}

.mod{

margin:15px 10px 10px 19px;

}

    .mod ul li{

width:134px;

float:left;

height:25px;

overflow:hidden;

}

</style>

<script type="text/javascript" src="Tab.js"></script>

</head>

<body>

    <div id="notice" class="notice">

        <div id="notice-tit" class="notice-tit">

            <ul>

                <li>

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

                </li>

                <li>

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

                </li>

                <li>

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

                </li>

                <li>

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

                </li>

                <li class="select">

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

                </li>

            </ul>

        </div>

        <div class="notice-con" id="notice-con">

            <div class="mod" style="display:none;">

                <ul>

                    <li>

                        <a href="#">阿里5.3亿港币投资银泰</a>

                    </li>

                    <li>

                        <a href="#">总理强调扶持新兴业态</a>

                    </li>

                    <li>

                        <a href="#">马云忆与乔布斯论创新</a>

                    </li>

                    <li>

                        <a href="#">7万实名家政阿姨入手淘</a>

                    </li>

                </ul>

            </div>

            <div class="mod" style="display:none;">

                <ul>

                    <li>

                        <span>

                            [

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

                            ]

                        </span>

                        <a href="#">抽检规则发布</a>

                    </li>

                    <li>

                        <span>

                            [

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

                            ]

                        </span>

                        <a href="#">抽检规则发布</a>

                    </li>

                    <li>

                        <span>

                            [

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

                            ]

                        </span>

                        <a href="#">抽检规则发布</a>

                    </li>

                    <li>

                        <span>

                            [

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

                            ]

                        </span>

                        <a href="#">抽检规则发布</a>

                    </li>

                </ul>

            </div>

            <div class="mod" style="display:none;">

                <ul>

                    <li>

                        <span>

                            [

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

                            ]

                        </span>

                        <a href="#">称谓滥用将整</a>

                    </li>

                    <li>

                        <span>

                            [

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

                            ]

                        </span>

                        <a href="#">称谓滥用将整</a>

                    </li>

                    <li>

                        <span>

                            [

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

                            ]

                        </span>

                        <a href="#">称谓滥用将整</a>

                    </li>

                    <li>

                        <span>

                            [

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

                            ]

                        </span>

                        <a href="#">称谓滥用将整</a>

                    </li>

                </ul>

            </div>

            <div class="mod" style="display:none;">

<ul>

<li>

<a href="#">个人重要信息要管牢</a>

</li>

<li>

<a href="#">个人重要信息要管牢</a>

</li>

<li>

<a href="#">个人重要信息要管牢</a>

</li>

<li>

<a href="#">个人重要信息要管牢</a>

</li>

</ul>

</div>

<div class="mod" style="display:block;">

<ul>

<li>

<a href="#">公益讲师招募就等你啦</a>

</li>

<li>

<a href="#">公益讲师招募就等你啦</a>

</li>

<li>

<a href="#">公益讲师招募就等你啦</a>

</li>

<li>

<a href="#">7公益讲师招募就等你啦</a>

</li>

</ul>

</div>

</div>

        </div>

    </div>

</body>

</html>

JS部分带码(要新建文件夹)

// JavaScript Document

//页面加载

window.onload = function(){

//获取元素

var titles = document.getElementById('notice-tit').getElementsByTagName('li');

var divs = document.getElementById('notice-con').getElementsByTagName('div');

//测试获取元素的长度

//alert(titles.length);

//判断标题和对应内容的长度是否一致;若不一致则不执行下面的语句;

if(titles.length != divs.length)

return;

//遍历titles下面的所有li

for(var i=0; i<titles.length; i++){

titles[i].id = i;

titles[i].onmouseover = function(){

for(var j=0; j<titles.length; j++){

    //清除高亮样式;

titles[j].className = '';

//在鼠标移入的同时清除内容栏的内容

divs[j].style.display = 'none';

}

//测试鼠标移入事件

//alert(this.id);

//添加高亮样式;

this.className = 'select';

//显示鼠标所到标题索引所对应的内容

divs[this.id].style.display = 'block';

}

}

}

以上就是我的分享,新手上道,请多多指教。如果有更好的方法或不懂得地方欢迎在评论区教导和提问喔!

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