一起学HTML基础-利用CSS和JavaScript制作一个切换图片的网页

由于个人原因，不详细写步骤
思路：
一、布局
二、制作图片区和按钮区的div及颜色、边框、背景属性等
三、用PS将四张图片剪切到同一个尺寸，重叠放置在图片切换区，透明度设置为0
四、点击对应按钮时，将对应的图片透明度设置为1，并将其他图片透明度设置为0
<head>

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

<title>无标题文档</title>

<style>

*{margin:0px; padding:0px;}

.div1

{position:relative; width:800px; height:600px; margin:50px auto;}

.div1-

{position:absolute; width:800px; height:600px; margin:0px auto;}

.div2

{position:relative; width:800px; height:60px; margin:10px auto;}

.div3

{position:relative; float:left; width:100px; height:50px; border-radius:10px; margin-left:80px; text-align:center; line-height:50px; font-weight:bold; color:#FFF; transition:.5s; cursor:pointer; opacity:0.5;}

.div3:hover

{opacity:; }

.tp

{opacity:; border:5px solid;}

.div4

{position:relative; float:left; width:100px; height:50px; border-radius:10px; margin-left:80px; text-align:center; font-weight:bold; color:#FFF; transition:.5s; cursor:pointer; background-color:#FFF; opacity:;}

</style>

</head>

<body>

<div class="div1">

    <div class="div1-1"><img src="999.jpg" id="" /></div>

    <div class="div1-1"><img src="1-1.jpg" id="" class="tp" /></div>

    <div class="div1-1"><img src="2-2.jpg" id="" class="tp" /></div>

    <div class="div1-1"><img src="3-3.jpg" id="" class="tp" /></div>

    <div class="div1-1"><img src="4-4.jpg" id="" class="tp" /></div>

</div>

<div class="div2">

    <div class="div3" style="background-color:#F00;" onclick="dj1()">图片1</div>

    <div class="div3" style="background-color:#F90;" onclick="dj2()">图片2</div>

    <div class="div3" style="background-color:#00F;" onclick="dj3()">图片3</div>

    <div class="div3" style="background-color:#0F0;" onclick="dj4()">图片4</div>

</div>

<div class="div2">

    <div class="div4" id="" onclick="dj1()"><font color="#F00">▲</font></div>

    <div class="div4" id="" onclick="dj2()"><font color="#F90">▲</font></div>

    <div class="div4" id="" onclick="dj3()"><font color="#00F">▲</font></div>

    <div class="div4" id="" onclick="dj4()"><font color="#0F0">▲</font></div>

</div>

</body>

</html>

<script>

function dj1()

{

    var s0 = document.getElementById("");

    s0.style.opacity="";

    var s2 = document.getElementById("");

    var s22 = document.getElementById("");

    s2.style.opacity="";

    s22.style.opacity="";

    var s3 = document.getElementById("");

    var s33 = document.getElementById("");

    s3.style.opacity="";

    s33.style.opacity="";

    var s4 = document.getElementById("");

    var s44 = document.getElementById("");

    s4.style.opacity="";

    s44.style.opacity="";

    var s1 = document.getElementById("");

    var s11 = document.getElementById("");

    s1.style.opacity="";

    s1.style.borderColor="#F00";

    s1.style.transition="1s";

    s11.style.opacity="";

    s11.style.transition="0.5s";

}

function dj2()

{

    var s0 = document.getElementById("");

    s0.style.opacity="";

    var s1 = document.getElementById("");

    var s11 = document.getElementById("");

    s1.style.opacity="";

    s11.style.opacity="";

    var s3 = document.getElementById("");

    var s33 = document.getElementById("");

    s3.style.opacity="";

    s33.style.opacity="";

    var s4 = document.getElementById("");

    var s44 = document.getElementById("");

    s4.style.opacity="";

    s44.style.opacity="";

    var s2 = document.getElementById("");

    var s22 = document.getElementById("");

    s2.style.opacity="";

    s2.style.borderColor="#F90";

    s2.style.transition="1s";

    s22.style.opacity="";

    s22.style.transition="0.5s";

}

function dj3()

{

    var s0 = document.getElementById("");

    s0.style.opacity="";

    var s1 = document.getElementById("");

    var s11 = document.getElementById("");

    s1.style.opacity="";

    s11.style.opacity="";

    var s2 = document.getElementById("");

    var s22 = document.getElementById("");

    s2.style.opacity="";

    s22.style.opacity="";

    var s4 = document.getElementById("");

    var s44 = document.getElementById("");

    s44.style.opacity="";

    var s3 = document.getElementById("");

    var s33 = document.getElementById("");

    s3.style.opacity="";

    s3.style.borderColor="#00F";

    s3.style.transition="1s";

    s33.style.opacity="";

    s33.style.transition="0.5s";

}

function dj4()

{

    var s0 = document.getElementById("");

    s0.style.opacity="";

    var s1 = document.getElementById("");

    var s11 = document.getElementById("");

    s1.style.opacity="";

    s11.style.opacity="";

    var s2 = document.getElementById("");

    var s22 = document.getElementById("");

    s2.style.opacity="";

    s22.style.opacity="";

    var s3 = document.getElementById("");

    var s33 = document.getElementById("");

    s3.style.opacity="";

    s33.style.opacity="";

    var s4 = document.getElementById("");

    var s44 = document.getElementById("");

    s4.style.opacity="";

    s4.style.borderColor="#0F0";

    s4.style.transition="1s";

    s44.style.opacity="";

    s44.style.transition="0.5s";

}

</script>
巴特西

一起学HTML基础-利用CSS和JavaScript制作一个切换图片的网页

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