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ClassContent/历届学生/front-end-team-10/项目练习/上课项目/js 案例/tabsV2.html
2024-09-27 02:06:13 +08:00

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<!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>tabs切换</title>
<style>
* {
margin: 0;
padding: 0;
list-style: none;
}
.title {
display: flex;
}
.title li {
margin-right: 20px;
}
.title .active {
color: red;
}
.content li {
display: none;
}
.content .active {
display: block;
}
</style>
</head>
<body>
<ul class="title"></ul>
<ul class="content"></ul>
</body>
<script>
// 数据从哪来的?
// 通过ajax请求(网络)从后端的数据库里面获取到的
var tabsList = [
{
title: '社会',
content: [
{
title: '社会新闻1',
time: '2023',
text: '主体内容部分'
},
]
},
{
title: '娱乐',
content: [
{
title: '娱乐新闻1',
time: '2023',
text: '主体内容部分'
},
{
title: '娱乐新闻2',
time: '2023',
text: '主体内容部分'
},
]
},
{
title: '体育',
content: [
{
title: '体育新闻1',
time: '2023',
text: '主体内容部分'
}
]
},
{
title: '军事',
content: [
{
title: '军事新闻1',
time: '2023',
text: '主体内容部分'
},
{
title: '军事新闻2',
time: '2023',
text: '主体内容部分'
},
{
title: '军事新闻3',
time: '2023',
text: '主体内容部分'
},
]
},
{
title: '科技',
content: [
{
title: '科技新闻1',
time: '2023',
text: '主体内容部分'
}
]
},
]
// 渲染 tabs 标题部分
function renderTitle() {
tabsList.forEach((v, i) => {
$(".title").innerHTML += `<li class="${i == 0 ? 'active' : ''}">${v.title}</li>`
$(".content").innerHTML +=
`<li class="${i == 0 ? 'active' : ''}">
${
v.content.length == 0
? '<p>暂无数据</p>'
: v.content.map(v => {
return `<p>${v.title}</p>`
}).toString().replaceAll(",", "")
}
</li>`
});
bindTitleClick()
}
// 给标题 绑定点击事件
function bindTitleClick() {
_(".title li").forEach((v, i) => {
v.onclick = () => {
_(".title li").forEach((val, index) => {
val.className = ""
_(".content li")[index].className = ""
})
v.className = "active"
_(".content li")[i].className = "active"
}
})
}
renderTitle()
// var a = [1,24,6,2,8,5,9].forEach(v => {
// console.log(v);
// })
// var a = [1,24,6,2,8,5,9].map(v => {
// return `<p>${v}</p>`
// })
// console.log(a.toString().replaceAll(",", ""));
function $(className) {
return document.querySelector(className)
}
function _(className) {
return document.querySelectorAll(className)
}
</script>
</html>