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index.html
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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>Document</title>
<style>
.width {
width: 100%;
}
.nav {
/* width: max-content; */
background-color: #cd0000;
}
.nav-a {
display: block;
margin: 0 10px;
padding: 9px 10px;
border-bottom: 1px solid #b70000;
border-top: 1px solid #de3636;
color: #fff;
}
.nav-a:first-child {
border-top: 0;
}
.nav-a + .nav-a + .nav-a {
border-bottom: 0;
}
.box {
width: 240px;
margin: 20px auto;
}
.ao,
.tu {
display: inline-block;
width: 0;
font-size: 14px;
line-height: 18px;
margin: 35px;
/* color: #fff; */
}
.ao:before,
.tu:before {
outline: 2px solid #cd0000;
font-family: Consolas, Monaca, monospace;
}
.ao:before {
content: "love你love";
}
.tu:before {
content: "我love你";
}
.tu {
direction: rtl;
}
.wrap {
width: 300px;
height: 200px;
position: relative;
overflow: hidden;
}
.wrap > ul {
position: absolute;
white-space: nowrap;
}
.wrap li {
display: inline-block;
}
/* img {
visibility: hidden;
} */
/* img[src] {
visibility: visible;
} */
/* img {
content: attr(alt);
display: block;
outline: 1px solid;
} */
/* img {
content: url("./images/img1.jpeg");
width: 100px;
} */
/* .counter {
counter-reset: renyong 2 lvfengcui 3;
font-size: 32px;
font-family: Arial Black;
color: #cd0000;
}
.counter:before {
content: counter(renyong);
}
.counter:after {
content: counter(lvfengcui);
} */
/* .counter {
counter-reset: renyong 2;
font-size: 32px;
font-family: Arial Black;
color: #cd0000;
}
.counter:before,
.counter:after {
content: counter(renyong);
counter-increment: renyong;
} */
.reset {
counter-reset: renyong;
padding-left: 20px;
}
.counter:before {
content: counters(renyong, "-") ". ";
counter-increment: renyong;
}
</style>
</head>
<body>
<!-- <h4>无宽度，借助流动性</h4>
<div class="nav">
<a href="" class="nav-a">导航1</a>
<a href="" class="nav-a">导航2</a>
<a href="" class="nav-a">导航3</a>
<a href="" class="nav-a">导航4</a>
</div>
<h4>width:100%</h4>
<div class="nav">
<a href="" class="nav-a width">导航1</a>
<a href="" class="nav-a width">导航2</a>
<a href="" class="nav-a width">导航3</a>
<a href="" class="nav-a width">导航4</a>
</div>
<div class="box">
<button>
按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮
</button>
<input
type="button"
value="按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮按钮"
/>
</div>
<span class="ao"></span>
<span class="tu"></span> -->
<!-- <div class="wrap" id="wrap">
<ul>
<li><img src="./images/img1.jpeg" alt="img1" /></li>
<li><img src="./images/img1.jpeg" alt="img2" /></li>
<li><img src="./images/img1.jpeg" alt="img3" /></li>
<li><img src="./images/img1.jpeg" alt="img4" /></li>
<li><img src="./images/img1.jpeg" alt="img5" /></li>
<li><img src="./images/img1.jpeg" alt="img6" /></li>
</ul>
</div> -->
<!-- <img data-src="./images/img1.jpeg" alt="这是一张图片" /> -->
<!-- <img /> -->
<!-- <h1>css世界</h1> -->
<!-- <p>我叫王小二，字如其名，下面要出现的数字是：</p>
<p class="counter"></p> -->
<div class="reset">
<div class="counter">
我是王小二
<div class="reset">
<div class="counter">我是王小二的大儿子</div>
<div class="counter">
我是王小二的二儿子
<div class="reset">
<div class="counter">我是王小二的二儿子的大孙子</div>
<div class="counter">我是王小二的二儿子的二孙子</div>
<div class="counter">我是王小二的二儿子的小孙子</div>
</div>
</div>
<div class="counter">我是王小二的三儿子</div>
</div>
</div>
<div class="counter">我是王小三</div>
<div class="counter">
我是王小四
<div class="reset">
<div class="counter">我是王小四的大儿子</div>
</div>
</div>
</div>
<script>
var removeDuplicates = function (nums) {
// 如果nums数组长度为零
if (!nums.length) return 0;
// 获取nums的长度
let len = nums.length;
// 定义左指针的索引为0
let left = 0;
// 定义右指针的索引为1
let right = 1;
for (; right < len; right++) {
if (nums[left] !== nums[right]) {
// 左指针索引的值和右指针索引对应的值不相等
left++;
nums[left] = nums[right];
}
}
return nums.slice(0, left + 1);
};
console.log(removeDuplicates([1, 1, 2, 4, 6, 6, 9, 10]));
</script>
</body>
</html>