代码实现
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
*{
margin: 0;
padding: 0;
box-sizing: border-box;
}
html,body{
height: 100%;
width: 100%;
}
html{
font-size: 10px;
}
.tab{
width: 40rem;
height: 30rem;
border: solid 1px #2f1616;
}
.tab-title{
width: 100%;
height: 5rem;
background-color: antiquewhite;
border-bottom: solid 2px #d0a554;
display: flex;
justify-content: space-between;
align-items: center;
}
.tt{
flex: 1;
height: 5rem;
background-color: #fff;
font-size: 1.8rem;
text-align: center;
line-height: 5rem;
cursor: pointer;
}
.tt.active,
.tt:hover{
background-color: #d0a554;
color: white;
}
.tab-content{
width: 100%;
height: 25rem;
background-color: aquamarine;
position: relative;
}
.tc{
width: 100%;
height: 100%;
font-size: 1.8rem;
text-align: center;
color: white;
position: absolute;
display: none;
}
.tc.active{
display: block;
}
.tc:nth-of-type(1){
background-color: blue;
}
.tc:nth-of-type(2){
background-color: red;
}
.tc:nth-of-type(3){
background-color: green;
}
</style>
</head>
<body>
<div class="tab">
<div class="tab-title">
<div class="tt active">标题1</div>
<div class="tt">标题2</div>
<div class="tt">标题3</div>
</div>
<div class="tab-content">
<div class="tc active">内容部分1</div>
<div class="tc">内容部分2</div>
<div class="tc">内容部分3</div>
</div>
</div>
<script>
let tts = document.getElementsByClassName("tt");
for (let i=0;i<tts.length;i++){
tts[i].onmouseenter = function(){
for (let j=0;j<tts.length;j++){
tts[j].classList = "tt";
}
tts[i].classList = "tt active"
let tcs = document.getElementsByClassName("tc");
for (let x=0;x<tcs.length;x++){
tcs[x].classList = "tc"
}
tcs[i].classList = "tc active";
}
}
</script>
</body>
</html>
网页效果
image.png