<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
#box .ac {
background-color: pink;
}
#box div {
width: 200px;
height: 200px;
display: none;
border: 1px solid #ccc;
}
</style>
</head>
<body>
<div id="box">
<button class="ac">001</button>
<button>002</button>
<button>003</button>
<div style="display: none">001</div>
<div>002</div>
<div>003</div>
</div>
</body>
<script>
const aBtn = document.querySelectorAll('button')
const aDiv = document.querySelectorAll('#box div')
const index = localStorage.index
fn(index)
function fn(index) {
for (let i = 0; i < aBtn.length; i++) {
aBtn[i].className = ''
aDiv[i].style.display = 'none'
}
aBtn[index].className = 'ac'
aDiv[index].style.display = 'block'
}
for (let i = 0; i < aBtn.length; i++) {
aBtn[i].onclick = function () {
localStorage.index = i
fn(i)
}
}
</script>
</html>
选项卡保存记录位置(JS原生)
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转载自blog.csdn.net/weixin_67268153/article/details/130288199
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