如何为网页代码添加行号？
时间：2024-11-25 08:49:09
395浏览
收藏
亲爱的编程学习爱好者，如果你点开了这篇文章，说明你对《如何为网页代码添加行号？
》很感兴趣。本篇文章就来给大家详细解析一下，主要介绍一下，希望所有认真读完的童鞋们，都有实质性的提高。
给代码添加行号
在代码中添加行号可以更轻松地进行阅读和调试。传统方法是使用
<![CDATA[标签，但由于它已被弃用，因此可以使用更现代的方法。</p><p><strong>使用<pre>标签和转义字符</strong></p><p><pre>标签可以保留空白和换行符，但需要将HTML代码中的<和>符号转义为&lt;和&gt;。这种方法较为繁琐。</p><p><strong>使用CSS和<p>标签</strong></p><p>一种更简单的解决方案是使用CSS和<p>标签：</p><pre class="brush:php;toolbar:false"><div id="code" style="font-size: 12px"></div>
<style>
* { margin: 0; padding: 0; }
#code p::before {
content: attr(data-line-number);
min-width: 50px;
text-align: right;
display: inline-block;
padding: 0 5px;
color: #ccc;
}
</style>
<script>
var $code = document.getElementById('code');
`<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>行号</title>
</head>
<body>
<p>测试页面</p>
</body>
</html>`.split('\n').forEach((text, index) => {
var $line = document.createElement('p');
$line.dataset.lineNumber = index + 1;
$line.innerText = text;
$code.appendChild($line);
});
</script></pre><p>今天关于《如何为网页代码添加行号？
》的内容就介绍到这里了，是不是学起来一目了然！想要了解更多关于的内容请关注golang学习网公众号！</p>
<div style="margin:16px auto;width:100%;max-width:720px;box-sizing:border-box;padding:16px;border:1px solid #e5e7eb;border-radius:12px;background:#fff;box-shadow:0 6px 24px rgba(16,24,40,0.08);text-align:center;overflow:hidden;">
<a onclick="showThirdParty('flex')" style="display:inline-flex;width:100%;max-width:100%;justify-content:center;align-items:center;gap:8px;padding:12px 18px;border-radius:10px;background:#2d8cf0;color:#fff;text-decoration:none;font-weight:600;box-sizing:border-box;overflow-wrap:anywhere;word-break:break-word;">
前往漫画官网入口并下载 ➜
</a>
</div>
<div id="third-party-overlay" style="position:fixed;left:0;top:0;width:100%;height:100%;display:none;justify-content:center;align-items:center;background:rgba(0,0,0,0.4);z-index:9999;">
<div style="background:#FFF3CD;border:1px solid #FFEEBA;padding:16px;border-radius:6px;box-sizing:border-box;max-width:480px;width:90%;text-align:center;">
<div style="font-size:14px;color:#856404;margin-bottom:12px;">您即将跳转至第三方网站，请注意保护好个人信息和财产安全！</div>
<a href="https://comicdow.pdlcomic.top/1273%2F%E5%9B%A7%E6%AC%A1%E5%85%83.apk" target="_blank" rel="nofollow noopener noreferrer" style="color:#2d8cf0;text-decoration:none;" onclick="showThirdParty('none');">继续访问</a>
</div>
</div>
<script>
function showThirdParty(mode){
var el = document.getElementById('third-party-overlay');
if (!el) return;
el.style.display = (mode === 'none' ? 'none' : 'flex');
}
</script>
</div>
<div class="labsList">
</div>
</div>
<!-- 最新阅读 -->
<div class="contBoxNor">
<div class="contTit">
<div class="tit">相关阅读</div>
<a href="/articlelist.html" class="more">更多></a>
</div>
<ul class="latestReadList">
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 8个月前 |
<a href="javascript:;" class="aLightGray" title="提升">提升</a>
<a href="javascript:;" class="aLightGray" title="箭头函数">箭头函数</a>
<a href="javascript:;" class="aLightGray" title="函数表达式">函数表达式</a>
<a href="javascript:;" class="aLightGray" title="函数声明">函数声明</a>
<a href="javascript:;" class="aLightGray" title="Function构造函数">Function构造函数</a>
</div>
<div class="tit lineOverflow"><a href="/article/207000.html" title="JavaScript函数定义及示例详解" class="aBlack">JavaScript函数定义及示例详解</a></div>
<div class="opt">
<span><i class="view"></i>502</span>
<span class="collectBtn user_collection" data-id="207000" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2年前 |
<a href="javascript:;" class="aLightGray" title="CSS">CSS</a>
<a href="javascript:;" class="aLightGray" title="优化">优化</a>
<a href="javascript:;" class="aLightGray" title="体验">体验</a>
</div>
<div class="tit lineOverflow"><a href="/article/72840.html" title="优化用户界面体验的秘密武器：CSS开发项目经验大揭秘" class="aBlack">优化用户界面体验的秘密武器：CSS开发项目经验大揭秘</a></div>
<div class="opt">
<span><i class="view"></i>501</span>
<span class="collectBtn user_collection" data-id="72840" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2年前 |
<a href="javascript:;" class="aLightGray" title="图片轮播">图片轮播</a>
<a href="javascript:;" class="aLightGray" title="微信小程序">微信小程序</a>
<a href="javascript:;" class="aLightGray" title="特效">特效</a>
</div>
<div class="tit lineOverflow"><a href="/article/76259.html" title="使用微信小程序实现图片轮播特效" class="aBlack">使用微信小程序实现图片轮播特效</a></div>
<div class="opt">
<span><i class="view"></i>501</span>
<span class="collectBtn user_collection" data-id="76259" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2年前 |
<a href="javascript:;" class="aLightGray" title="sessionStorage">sessionStorage</a>
<a href="javascript:;" class="aLightGray" title="存储能力">存储能力</a>
<a href="javascript:;" class="aLightGray" title="限制解析">限制解析</a>
</div>
<div class="tit lineOverflow"><a href="/article/83771.html" title="解析sessionStorage的存储能力与限制" class="aBlack">解析sessionStorage的存储能力与限制</a></div>
<div class="opt">
<span><i class="view"></i>501</span>
<span class="collectBtn user_collection" data-id="83771" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 2年前 |
<a href="javascript:;" class="aLightGray" title="团队合作">团队合作</a>
<a href="javascript:;" class="aLightGray" title="冒泡事件">冒泡事件</a>
<a href="javascript:;" class="aLightGray" title="促进作用">促进作用</a>
</div>
<div class="tit lineOverflow"><a href="/article/85057.html" title="探索冒泡活动对于团队合作的推动力" class="aBlack">探索冒泡活动对于团队合作的推动力</a></div>
<div class="opt">
<span><i class="view"></i>501</span>
<span class="collectBtn user_collection" data-id="85057" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
</ul>
</div>
<!-- 最新阅读 -->
<div class="contBoxNor">
<div class="contTit">
<div class="tit">最新阅读</div>
<a href="/articlelist.html" class="more">更多></a>
</div>
<ul class="latestReadList">
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 57秒前 |
<a href="javascript:;" class="aLightGray" title="html">html</a>
</div>
<div class="tit lineOverflow"><a href="/article/464778.html" title="Tomcat如何运行HTML文件详解" class="aBlack">Tomcat如何运行HTML文件详解</a></div>
<div class="opt">
<span><i class="view"></i>245</span>
<span class="collectBtn user_collection" data-id="464778" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 17分钟前 |
</div>
<div class="tit lineOverflow"><a href="/article/464758.html" title="HTML多标签页表单实现与同步技巧" class="aBlack">HTML多标签页表单实现与同步技巧</a></div>
<div class="opt">
<span><i class="view"></i>160</span>
<span class="collectBtn user_collection" data-id="464758" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 19分钟前 |
</div>
<div class="tit lineOverflow"><a href="/article/464755.html" title="PHP显示页面最后修改时间的几种方法" class="aBlack">PHP显示页面最后修改时间的几种方法</a></div>
<div class="opt">
<span><i class="view"></i>401</span>
<span class="collectBtn user_collection" data-id="464755" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 26分钟前 |
</div>
<div class="tit lineOverflow"><a href="/article/464746.html" title="HTML5article标签使用技巧详解" class="aBlack">HTML5article标签使用技巧详解</a></div>
<div class="opt">
<span><i class="view"></i>233</span>
<span class="collectBtn user_collection" data-id="464746" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 26分钟前 |
</div>
<div class="tit lineOverflow"><a href="/article/464745.html" title="WebWorkers多线程编程全解析" class="aBlack">WebWorkers多线程编程全解析</a></div>
<div class="opt">
<span><i class="view"></i>104</span>
<span class="collectBtn user_collection" data-id="464745" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 32分钟前 |
<a href="javascript:;" class="aLightGray" title="html代码怎么用">html代码怎么用</a>
</div>
<div class="tit lineOverflow"><a href="/article/464737.html" title="HTML代码压缩原理与工具使用教程" class="aBlack">HTML代码压缩原理与工具使用教程</a></div>
<div class="opt">
<span><i class="view"></i>203</span>
<span class="collectBtn user_collection" data-id="464737" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 37分钟前 |
<a href="javascript:;" class="aLightGray" title="html5源代码发行">html5源代码发行</a>
</div>
<div class="tit lineOverflow"><a href="/article/464730.html" title="HTML5动画添加与代码实现教程" class="aBlack">HTML5动画添加与代码实现教程</a></div>
<div class="opt">
<span><i class="view"></i>239</span>
<span class="collectBtn user_collection" data-id="464730" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 44分钟前 |
</div>
<div class="tit lineOverflow"><a href="/article/464720.html" title="API数据空格处理方法详解" class="aBlack">API数据空格处理方法详解</a></div>
<div class="opt">
<span><i class="view"></i>144</span>
<span class="collectBtn user_collection" data-id="464720" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 44分钟前 |
</div>
<div class="tit lineOverflow"><a href="/article/464719.html" title="Node.js事件循环原理全解析" class="aBlack">Node.js事件循环原理全解析</a></div>
<div class="opt">
<span><i class="view"></i>409</span>
<span class="collectBtn user_collection" data-id="464719" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 46分钟前 |
<a href="javascript:;" class="aLightGray" title="html5源代码发行">html5源代码发行</a>
</div>
<div class="tit lineOverflow"><a href="/article/464717.html" title="HTML5添加favicon图标方法详解" class="aBlack">HTML5添加favicon图标方法详解</a></div>
<div class="opt">
<span><i class="view"></i>287</span>
<span class="collectBtn user_collection" data-id="464717" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 1小时前 |
</div>
<div class="tit lineOverflow"><a href="/article/464701.html" title="JavaScript迭代器详解及forof原理剖析" class="aBlack">JavaScript迭代器详解及forof原理剖析</a></div>
<div class="opt">
<span><i class="view"></i>211</span>
<span class="collectBtn user_collection" data-id="464701" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
<li>
<div class="info">
<a href="/articlelist/19_new_0_1.html" class="aLightGray" title="文章">文章</a> ·
<a href="/articlelist/88_new_0_1.html" class="aLightGray" title="前端">前端</a>
| 1小时前 |
</div>
<div class="tit lineOverflow"><a href="/article/464696.html" title="统一主CSS，子样式轻松引入方法" class="aBlack">统一主CSS，子样式轻松引入方法</a></div>
<div class="opt">
<span><i class="view"></i>283</span>
<span class="collectBtn user_collection" data-id="464696" data-type="article" title="收藏"><i class="collect"></i>收藏</span>
</div>
</li>
</ul>
</div>
<!-- 课程推荐 -->
<div class="contBoxNor">
<div class="contTit">
<div class="tit">课程推荐</div>
<a href="/courselist.html" class="more">更多></a>
</div>
<ul class="classRecomList">
<li>
<a href="/course/9.html" title="前端进阶之JavaScript设计模式" class="img_box">
<img src="/uploads/20221222/52fd0f23a454c71029c2c72d206ed815.jpg" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="前端进阶之JavaScript设计模式">
</a>
<dl>
<dt class="lineOverflow">
前端进阶之JavaScript设计模式 </dt>
<dd class="cont1 lineOverflow">设计模式是开发人员在软件开发过程中面临一般问题时的解决方案，代表了最佳的实践。本课程的主打内容包括JS常见设计模式以及具体应用场景，打造一站式知识长龙服务，适合有JS基础的同学学习。</dd>
<dd class="cont2">
<a href="/course/9.html" title="前端进阶之JavaScript设计模式" class="toStudy">立即学习</a>
<span>543次学习</span>
</dd>
</dl>
</li>
<li>
<a href="/course/2.html" title="GO语言核心编程课程" class="img_box">
<img src="/uploads/20221221/634ad7404159bfefc6a54a564d437b5f.png" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="GO语言核心编程课程">
</a>
<dl>
<dt class="lineOverflow">
GO语言核心编程课程 </dt>
<dd class="cont1 lineOverflow">本课程采用真实案例，全面具体可落地，从理论到实践，一步一步将GO核心编程技术、编程思想、底层实现融会贯通，使学习者贴近时代脉搏，做IT互联网时代的弄潮儿。</dd>
<dd class="cont2">
<a href="/course/2.html" title="GO语言核心编程课程" class="toStudy">立即学习</a>
<span>516次学习</span>
</dd>
</dl>
</li>
<li>
<a href="/course/74.html" title="简单聊聊mysql8与网络通信" class="img_box">
<img src="/uploads/20240103/bad35fe14edbd214bee16f88343ac57c.png" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="简单聊聊mysql8与网络通信">
</a>
<dl>
<dt class="lineOverflow">
简单聊聊mysql8与网络通信 </dt>
<dd class="cont1 lineOverflow">如有问题加微信：Le-studyg；在课程中，我们将首先介绍MySQL8的新特性，包括性能优化、安全增强、新数据类型等，帮助学生快速熟悉MySQL8的最新功能。接着，我们将深入解析MySQL的网络通信机制，包括协议、连接管理、数据传输等，让</dd>
<dd class="cont2">
<a href="/course/74.html" title="简单聊聊mysql8与网络通信" class="toStudy">立即学习</a>
<span>500次学习</span>
</dd>
</dl>
</li>
<li>
<a href="/course/57.html" title="JavaScript正则表达式基础与实战" class="img_box">
<img src="/uploads/20221226/bbe4083bb3cb0dd135fb02c31c3785fb.jpg" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="JavaScript正则表达式基础与实战">
</a>
<dl>
<dt class="lineOverflow">
JavaScript正则表达式基础与实战 </dt>
<dd class="cont1 lineOverflow">在任何一门编程语言中,正则表达式,都是一项重要的知识,它提供了高效的字符串匹配与捕获机制,可以极大的简化程序设计。</dd>
<dd class="cont2">
<a href="/course/57.html" title="JavaScript正则表达式基础与实战" class="toStudy">立即学习</a>
<span>487次学习</span>
</dd>
</dl>
</li>
<li>
<a href="/course/28.html" title="从零制作响应式网站—Grid布局" class="img_box">
<img src="/uploads/20221223/ac110f88206daeab6c0cf38ebf5fe9ed.jpg" onerror="this.onerror='';this.src='/assets/images/moren/morentu.png'" alt="从零制作响应式网站—Grid布局">
</a>
<dl>
<dt class="lineOverflow">
从零制作响应式网站—Grid布局 </dt>
<dd class="cont1 lineOverflow">本系列教程将展示从零制作一个假想的网络科技公司官网，分为导航，轮播，关于我们，成功案例，服务流程，团队介绍，数据部分，公司动态，底部信息等内容区块。网站整体采用CSSGrid布局，支持响应式，有流畅过渡和展现动画。</dd>
<dd class="cont2">
<a href="/course/28.html" title="从零制作响应式网站—Grid布局" class="toStudy">立即学习</a>
<span>485次学习</span>
</dd>
</dl>
</li>
</ul>
</div>
</div>
<!-- footer -->
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet">
<div class="footer">
<ul>
<li ><a href="/" class="aLightGray"><em class="material-icons">home</em><span>首页</span></a></li>
<li class="curr"><a href="/articlelist.html" class="aLightGray"><em class="material-icons">menu_book</em><span>阅读</span></a></li>
<li ><a href="/courselist.html" class="aLightGray"><em class="material-icons">school</em><span>课程</span></a></li>
<li ><a href="/ai.html" class="aLightGray"><em class="material-icons">smart_toy</em><span>AI助手</span></a></li>
<li ><a href="/user.html" class="aLightGray"><em class="material-icons">person</em><span>我的</span></a></li>
</ul>
</div>
<script src="/assets/js/require.js" data-main="/assets/js/require-frontend.js?v=1671101972"></script>
<script>
var _hmt = _hmt || [];
(function() {
var hm = document.createElement("script");
hm.src = "https://hm.baidu.com/hm.js?3dc5666f6478c7bf39cd5c91e597423d";
var s = document.getElementsByTagName("script")[0];
s.parentNode.insertBefore(hm, s);
})();
</script>
</body>
</html>]]> 