HTML文档的编写规范是什么?如何修改HTML文件?

编写html文档最重要的规范是语义化,使用header、nav、main等语义标签能提升可访问性、seo和可维护性;2. 必须闭合标签并正确嵌套,避免结构混乱导致页面错误;3. 图片必须添加alt属性,表单元素需与label通过for和id关联,以保障可访问性;4. 保持代码可读性,统一缩进、添加必要注释,便于团队协作;5. 声明utf-8字符编码和viewport元标签,确保页面正常显示和响应式适配;6. 修改html文件可用任何文本编辑器,推荐vs code,结合开发者工具实时调试;7. 高效修改需善用浏览器开发者工具、git版本控制、emmet语法、代码格式化工具;8. 注意浏览器缓存和资源路径问题,利用控制台和网络面板排查加载错误;9. html5新特性包括audio和video多媒体标签,简化音视频嵌入;10. 新增表单类型如email、date、number及placeholder、required等属性,提升验证和用户体验;11. localstorage和sessionstorage提供客户端数据存储,支持离线应用;12. canvas和svg实现动态绘图与矢量图形展示,增强视觉表现;13. data-*属性允许在html中存储自定义数据,便于javascript访问,提升结构清晰度。遵循这些规范和技巧能显著提升html代码质量、开发效率和项目可维护性。

HTML文档的编写规范是什么?如何修改HTML文件?

HTML文档的编写规范,说白了就是一套让你的代码更易读、更健壮、更利于协作的“潜规则”。它关乎结构、语义、可访问性,以及长期的可维护性。而修改HTML文件,本质上就是用任何文本编辑器打开它,找到你需要调整的地方,然后保存,最后在浏览器里刷新看看效果。这听起来简单,但里面门道不少。

HTML文档的编写规范是什么?如何修改HTML文件?

解决方案

编写HTML文档,我个人觉得最重要的就是语义化。这不仅仅是为了让代码好看,更是为了让浏览器、搜索引擎和辅助技术(比如屏幕阅读器)能更好地理解你的页面结构和内容。别动不动就

div

走天下,能用

header

nav

main

article

section

aside

footer

这些标签的时候,就别吝啬。它们各自代表了不同的内容区域,用对了,页面的骨架就清晰了。

除了语义化,还有几点是写HTML时得刻在脑子里的:

立即学习“前端免费学习笔记(深入)”;

HTML文档的编写规范是什么?如何修改HTML文件?闭合标签和正确嵌套: 这是一个基本功,但有时候忙起来,或者代码量大了,就容易漏掉。不闭合或者嵌套混乱,轻则样式错乱,重则页面直接崩掉。属性规范: 比如图片一定要有

alt

属性,它不仅仅是为了SEO,更是为了那些看不到图片的用户。表单元素和对应的

label

标签要用

for

id

关联起来,这直接影响到可访问性。代码可读性: 统一的缩进(我个人偏爱2个空格,但4个也行,关键是统一)、适当的注释,这些都能让你的代码在几个月后,或者被其他同事接手时,不至于变成一堆“天书”。字符编码声明: 通常在


里放一个


,这能避免乱码问题,特别是处理多语言内容时,这是救命稻草。响应式基础:


这个标签几乎是现代网页的标配了,它告诉浏览器如何根据设备宽度来缩放页面。

至于如何修改HTML文件,这其实是个操作层面的问题,远没有规范那么“烧脑”,但也有一些小技巧:

选择你的武器: 任何文本编辑器都能干这事。从最简单的记事本(Windows)或TextEdit(macOS),到专业的代码编辑器,比如VS Code、Sublime Text、Notepad++。我强烈推荐VS Code,因为它有丰富的插件生态,能帮你自动补全、高亮代码,甚至帮你格式化,效率提升不是一点半点。打开文件: 直接用你选的编辑器打开

.html

文件就行。定位与修改: 根据你的需求,找到对应的标签、属性或者文本内容进行修改。比如想改个标题,就找到

</pre>
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<p>标签;想换张图片,就找到</p>
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<p>标签,修改</p>
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<p>属性。<strong>保存:</strong> 这是最关键的一步,修改完一定要保存(Ctrl+S或Cmd+S)。<strong>浏览器刷新:</strong> 在浏览器里打开你的HTML文件,或者如果已经打开了,就刷新一下页面(F5或Ctrl+R/Cmd+R),看看你的修改是否生效。<strong>善用开发者工具:</strong> 浏览器自带的开发者工具(F12或右键检查)简直是神器。你可以在里面实时修改HTML和CSS,立即看到效果,而不用每次都保存文件再刷新。这对于调试和快速原型验证来说,效率高得惊人。</p>
<h3>为什么遵循HTML语义化规范如此重要?</h3>
<p>语义化,这词儿听起来有点学院派,但它在实际开发中简直是基石。我个人觉得,它不仅仅是让代码看起来更“对”,更深层次的意义在于它极大地提升了网页的<strong>可访问性</strong>、<strong>搜索引擎优化(SEO)</strong>效果,以及团队协作时的<strong>可维护性</strong>。</p>
<p><noscript><img alt="HTML文档的编写规范是什么?如何修改HTML文件?"></noscript><img alt="HTML文档的编写规范是什么?如何修改HTML文件?"></p>
<p>你想想看,一个页面如果都是</p>
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<p>和</p>
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<p>堆砌起来的,那对于屏幕阅读器来说,它怎么知道哪个</p>
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<pre class="brush:php;toolbar:false;">div</pre>
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<p>是导航,哪个</p>
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<p>是主要内容,哪个又是页脚呢?它只能按顺序“读”过去,用户体验会非常糟糕。但如果你用了</p>
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<p>、</p>
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<p>、</p>
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<p>,屏幕阅读器就能明确告诉用户:“这里是导航区,这里是主要内容,这里是页脚。”这直接关系到残障人士能否顺畅地使用你的网站。</p>
<p>再说说SEO。搜索引擎的爬虫在抓取和解析网页时,也会优先理解那些结构清晰、语义明确的页面。一个语义化的页面,能让搜索引擎更快、更准确地理解你的内容重点,从而在搜索结果中获得更好的排名。你用了</p>
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<p>就代表这是最重要的标题,用了</p>
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<p>就代表这是一篇独立完整的文章。这些信息对于搜索引擎来说都是非常宝贵的信号。</p>
<p>最后是可维护性。当你的项目越来越大,或者需要团队协作时,语义化的代码简直是救命稻草。你一眼就能看出某个区域的功能,而不是靠一堆</p>
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<p>和</p>
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<p>来猜测。这不仅减少了沟通成本,也降低了引入bug的风险,让新来的同事也能更快上手。我遇到过那种全是</p>
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<p>的项目,每次修改都像是在拆弹,生怕动了这块儿,那块儿就崩了。所以,语义化,真不是为了“美观”,是为了“实用”和“长久”。</p>
<h3>在实际项目中,如何高效地修改和调试HTML代码?</h3>
<p>高效地修改和调试HTML代码,这可不仅仅是“打开文件,改,保存”那么简单。在真实的项目里,我们面对的是更复杂的场景,可能会有CSS、JavaScript的联动,甚至后端数据的动态渲染。</p>
<p>我个人最离不开的工具,毫无疑问就是<strong>浏览器开发者工具</strong>。无论是Chrome、Firefox还是Edge,它们内置的开发者工具都强大到难以置信。你可以直接在“Elements”(元素)面板里实时修改HTML结构、属性,甚至拖拽元素改变位置,同时在页面上看到即时反馈。这对于快速验证一个想法,或者定位某个布局问题,简直是神速。我经常会先在开发者工具里把样式和结构调到满意,然后再把这些修改复制回我的代码编辑器里。这比每次修改都保存、刷新页面要快上好几倍。</p>
<p>其次,<strong>版本控制系统</strong>,特别是Git,是现代开发不可或缺的一部分。你对HTML文件的每一次修改,都应该通过Git进行提交。这能让你随时回溯到之前的任何一个版本,就算你把文件改得一团糟,也能轻松恢复。我经历过因为手滑或者逻辑错误导致代码混乱的时刻,如果没有Git,那简直是灾难。</p>
<p>再来就是<strong>代码编辑器本身的功能</strong>。像VS Code这样的编辑器,提供了很多提高效率的功能:</p>
<p><strong>Emmet语法:</strong> 敲几个字符就能生成一大段HTML代码,比如</p>
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<pre class="brush:php;toolbar:false;">div.container>ul>li*3>a</pre>
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<p>一敲回车,一套带class的无序列表就出来了,这速度谁用谁知道。<strong>代码格式化:</strong> Prettier或者EditorConfig这样的工具,能帮你自动格式化代码,保持统一的缩进和风格,避免团队成员之间代码风格不一致的问题。<strong>代码片段和自动补全:</strong> 输入几个字母,编辑器就能智能地提示你完整的标签或属性,大大减少了拼写错误和记忆负担。</p>
<p>最后,我想说一个我常犯的“低级错误”:<strong>缓存问题</strong>。有时候你明明修改了HTML文件并保存了,但在浏览器里刷新却看不到变化。这时候,多半是浏览器缓存了旧的页面。强制刷新(Ctrl+Shift+R或Cmd+Shift+R)或者清空浏览器缓存,通常就能解决。还有就是<strong>路径问题</strong>,比如图片或CSS文件的路径写错了,导致资源加载失败,这时候开发者工具的“Console”(控制台)和“Network”(网络)面板就能派上大用场,它们会告诉你哪些资源加载失败了,以及失败的原因。</p>
<h3>除了基础标签,还有哪些HTML5新特性值得关注和应用?</h3>
<p>HTML5的出现,给前端开发带来了革命性的变化,它远不止是新增了几个语义化标签那么简单。除了我们前面提到的那些结构性标签,还有一些非常实用的新特性,它们极大地扩展了HTML的能力边界,让我们可以构建更丰富、更交互性强的网页应用。</p>
<p>首先,<strong>多媒体标签</strong>:</p>
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<p>和</p>
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<p>。在HTML5之前,要在网页上播放音频和视频,我们通常需要依赖Flash这样的第三方插件,这不仅增加了页面的复杂性,也带来了安全和兼容性问题。现在,有了这两个标签,我们可以直接在浏览器中嵌入和控制音视频内容,而且它们提供了丰富的JavaScript API,可以自定义播放器界面、控制播放进度等等。我个人觉得,这彻底改变了多媒体在网页上的呈现方式。</p>
<p>其次,<strong>增强的表单控件和属性</strong>:HTML5为</p>
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<p>标签引入了许多新的</p>
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<p>属性,比如</p>
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<p>(自动验证<span class="wpcom_tag_link"><a href="https://www.chuangxiangniao.com/p/tag/youxiang" title="邮箱" target="_blank">邮箱</a></span>格式)、</p>
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<pre class="brush:php;toolbar:false;">type="url"</pre>
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<p>(验证URL格式)、</p>
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<p>(日期选择器)、</p>
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<p>(只允许输入数字)等等。这些内置的验证和UI组件,大大简化了表单开发的工作量,同时也提升了用户体验。此外,</p>
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<p>(输入提示)、</p>
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<p>(必填项)、</p>
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<p>(自动聚焦)这些属性也让表单变得更加智能和用户友好。</p>
<p>再者,<strong>客户端存储</strong>:</p>
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<p>和</p>
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<p>。它们提供了在用户浏览器中存储数据的能力。</p>
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<p>可以长期保存数据,即使关闭浏览器也不会丢失,非常适合存储用户的偏好设置、离线数据等。</p>
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<pre class="brush:php;toolbar:false;">sessionStorage</pre>
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<p>则只在当前会话期间有效,关闭浏览器或标签页就会清除。这比传统的</p>
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<p>容量更大,也更易于使用,为离线应用和提升用户体验提供了强大的支持。</p>
<p>还有<strong>Canvas和SVG</strong>:这两个是绘图利器。</p>
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<p>是一个基于JavaScript的API,可以在网页上通过编程的方式绘制图形、动画,甚至处理图像和视频,非常适合游戏开发、数据可视化等场景。而</p>
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<p>(Scalable Vector Graphics)则是一种基于XML的矢量图形格式,它可以在不失真的情况下任意缩放,非常适合图标、Logo等图形的展示。它们各自有其优势,但都极大地丰富了网页的视觉表现力。</p>
<p>最后,我想提一下*<em>Data属性(`data-</em></p>
<div class="code" style="position:relative;padding:0px;margin:0px">
<pre class="brush:php;toolbar:false;">)**:这是一种非常灵活的自定义属性机制。你可以在任何HTML元素上添加以</pre>
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<p>data-</p>
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<pre class="brush:php;toolbar:false;">开头的自定义属性,然后通过JavaScript轻松地访问这些数据。这对于在HTML中存储一些与表现无关、但对JavaScript逻辑有用的数据非常方便,避免了把所有数据都塞到</pre>
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<p>id</p>
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<pre class="brush:php;toolbar:false;">或</pre>
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<p>class</p>
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<pre class="brush:php;toolbar:false;">里,让HTML结构更清晰。比如,</pre>
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<p>data-product-id=”123″</p>
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<pre class="brush:php;toolbar:false;">,在JavaScript里通过</pre>
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<p>element.dataset.productId`就能获取到。这在构建复杂的交互组件时,简直是神器。</p>
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<p>以上就是HTML文档的编写规范是什么?如何修改HTML文件?的详细内容,更多请关注创想鸟其它相关文章!</p>
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                                 如何设置HTML链接颜色?可以自定义吗?            </a>
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        <div class="item-excerpt">
            <p>是的,html链接颜色可以通过css自定义,具体方法如下:1. 使用伪类选择器 a:link、a:visited、a:hover 和 a:active 分别设置未访问、已访问、悬停和激活状态下的链接颜色;2. 通过 text-decoration、background-color、font-weig…</p>
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                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                    <span>程序猿</span>
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                                    <span class="item-meta-li date">2025年12月22日</span>
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                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570139.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="HTML页面加载慢怎么优化?常见技巧" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175420134828273.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
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                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570137.html" target="_blank" rel="bookmark">
                                 HTML页面加载慢怎么优化?常见技巧            </a>
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        <div class="item-excerpt">
            <p>通过代码压缩(minification)去除html、css、js中的空格、注释和冗余字符,减小文件体积;2. 使用关键css(critical css)内联首屏样式,异步加载非关键css,避免渲染阻塞;3. 合理使用async和defer属性加载javascript,防止阻塞html解析;4. 优…</p>
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                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                    <span>程序猿</span>
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                                    <span class="item-meta-li date">2025年12月22日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570137.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1570135.html" title="HTML提交按钮怎么写?input type=submit的作用" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="HTML提交按钮怎么写?input type=submit的作用" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175420176114441.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
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                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570135.html" target="_blank" rel="bookmark">
                                 HTML提交按钮怎么写?input type=submit的作用            </a>
        </h3>
        <div class="item-excerpt">
            <p>提交按钮的value属性用于定义按钮上显示的文本,若未设置则显示默认值如“提交”或“submit”,通过自定义value可提升用户体验;除了,还可使用实现更灵活的样式控制;当提交按钮失效时,1.检查标签是否正确闭合,2.确认按钮是否被disabled属性禁用,3.排查javascript是否通过ev…</p>
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                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                    <span>程序猿</span>
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            </div>
                                    <span class="item-meta-li date">2025年12月22日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570135.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1570133.html" title="HTML文档结构是怎样的?必须包含哪些部分?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="HTML文档结构是怎样的?必须包含哪些部分?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175420225089383.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
                <a class="item-category" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
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                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570133.html" target="_blank" rel="bookmark">
                                 HTML文档结构是怎样的?必须包含哪些部分?            </a>
        </h3>
        <div class="item-excerpt">
            <p>一个标准的html文档骨架由声明、根元素、 头部和主体构成;1. 用于声明html5文档类型,确保浏览器以标准模式渲染,避免怪异模式导致的布局和样式问题;2. 作为根元素包裹整个文档,并通过lang属性定义语言,提升seo和无障碍访问;3. 包含元数据,如指定字符编码、适配移动端、设置页面标题、引入…</p>
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                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                    <span>程序猿</span>
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                                    <span class="item-meta-li date">2025年12月22日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570133.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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            <a href="https://www.chuangxiangniao.com/p/1570128.html" target="_blank" rel="bookmark">
                                 video标签的作用?网页视频如何嵌入?            </a>
        </h3>
        <a class="item-images" href="https://www.chuangxiangniao.com/p/1570128.html" title="video标签的作用?网页视频如何嵌入?" target="_blank">
            <span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175420272695573.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175420272612818.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175420272693066.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175420272729538.png"></i></span>        </a>
        <div class="item-excerpt">
            <p>html5 video标签用于在网页中直接播放视频,无需插件;1. 使用标签作为容器,配合标签指定视频路径和格式,提供mp4、webm、ogg等多种格式以增强兼容性;2. 通过width、height设置尺寸,controls显示控制条,autoplay实现自动播放(可能被浏览器阻止),loop实现…</p>
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                        <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                        <span>程序猿</span>
                    </a>
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                        <span class="item-meta-li date">2025年12月22日</span>
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                <a class="item-meta-li" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
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                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570128.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1570126.html" title="HTML5新增了哪些语义化标签?各有什么作用?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="HTML5新增了哪些语义化标签?各有什么作用?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175420398455611.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
                <a class="item-category" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
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        <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570126.html" target="_blank" rel="bookmark">
                                 HTML5新增了哪些语义化标签?各有什么作用?            </a>
        </h3>
        <div class="item-excerpt">
            <p>html5新增的语义化标签包括 、 、ain>、 、 、 、 、 与、;2. 它们的作用分别是: 定义区块或页面的头部内容, 标识导航链接区域,包含页面唯一核心内容, 表示可独立分发的内容, 用于主题性内容分组, 表示与主内容相关但独立的辅助信息, 定义区块或页面的底部信息, 和组合媒体及其标…</p>
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                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                    <span>程序猿</span>
                </a>
            </div>
                                    <span class="item-meta-li date">2025年12月22日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570126.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570121.html" target="_blank" rel="bookmark">
                                 kbd标签的作用是什么?键盘输入怎么表示?            </a>
        </h3>
        <a class="item-images" href="https://www.chuangxiangniao.com/p/1570121.html" title="kbd标签的作用是什么?键盘输入怎么表示?" target="_blank">
            <span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412574283264.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412574369933.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412574373578.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412574331130.png"></i></span>        </a>
        <div class="item-excerpt">
            <p>kbd标签用于表示用户键盘输入,其核心价值在于语义化。1. 使用kbd标签能明确传达“键盘输入”含义,提升可读性与无障碍访问,优于仅用code或span标签。2. 表示组合键时推荐两种方式:并列加连接符(如ctrl + s)或嵌套结构(如ctrl+alt+delete整体包裹),前者更直观,后者强调…</p>
        </div>
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                                        <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                        <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                        <span>程序猿</span>
                    </a>
                </div>
                        <span class="item-meta-li date">2025年12月22日</span>
                            <span class="item-meta-li dot">•</span>
                <a class="item-meta-li" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
                        <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570121.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
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                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570117.html" target="_blank" rel="bookmark">
                                 base标签有什么用?基准URL如何设置?            </a>
        </h3>
        <a class="item-images" href="https://www.chuangxiangniao.com/p/1570117.html" title="base标签有什么用?基准URL如何设置?" target="_blank">
            <span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412599599872.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412599593826.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="http://images/pic.jpg"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="http://assets/image.png"></i></span>        </a>
        <div class="item-excerpt">
            <p>base 标签的作用是为页面所有相对 url 设定统一的基准起点,并可设置默认链接打开方式。1. 它通过 href 属性定义基准 url,使所有相对路径资源(如图片、css、js、链接)以此为基础解析为绝对路径,便于网站迁移和多环境部署;2. 通过 target 属性为未指定目标的链接设置默认打开方…</p>
        </div>
        <div class="item-meta">
                            <div class="item-meta-li author">
                                        <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                        <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                        <span>程序猿</span>
                    </a>
                </div>
                        <span class="item-meta-li date">2025年12月22日</span>
                            <span class="item-meta-li dot">•</span>
                <a class="item-meta-li" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
                        <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570117.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
        </div>
    </div>
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<li class="item item3">
    <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570115.html" target="_blank" rel="bookmark">
                                 HTML图片如何设置大小?width和height怎么用?            </a>
        </h3>
        <a class="item-images" href="https://www.chuangxiangniao.com/p/1570115.html" title="HTML图片如何设置大小?width和height怎么用?" target="_blank">
            <span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412604222178.jpg"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="http://your-image.jpg"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="http://your-image.jpg"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="http://your-image.jpg"></i></span>        </a>
        <div class="item-excerpt">
            <p>直接设置图片大小最简单的方法是使用标签的width和height属性,数值可为像素或百分比;2. 不建议直接在html中设置尺寸,因违反关注点分离原则,影响响应式设计和维护性;3. 推荐使用css控制图片大小,如width: 100%; height: auto;或max-width: 100%; …</p>
        </div>
        <div class="item-meta">
                            <div class="item-meta-li author">
                                        <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                        <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                        <span>程序猿</span>
                    </a>
                </div>
                        <span class="item-meta-li date">2025年12月22日</span>
                            <span class="item-meta-li dot">•</span>
                <a class="item-meta-li" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
                        <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570115.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
        </div>
    </div>
</li>
<li class="item item2">
        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1570113.html" title="HTML meta标签有什么用?常见meta有哪些" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="HTML meta标签有什么用?常见meta有哪些" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412622749525.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
                <a class="item-category" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
            </div>
        <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570113.html" target="_blank" rel="bookmark">
                                 HTML meta标签有什么用?常见meta有哪些            </a>
        </h3>
        <div class="item-excerpt">
            <p>meta标签是网页的“幕后大脑”,因为它们在用户不可见的情况下控制着网页的字符编码、移动适配、搜索引擎索引与排名、社交媒体分享展示等核心行为;2. 常见meta标签包括charset用于防止乱码,viewport实现移动端适配,description影响搜索结果摘要,robots控制爬虫抓取,ope…</p>
        </div>
        <div class="item-meta">
                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                    <span>程序猿</span>
                </a>
            </div>
                                    <span class="item-meta-li date">2025年12月22日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570113.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
        </div>
    </div>
</li>
<li class="item item3">
    <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570108.html" target="_blank" rel="bookmark">
                                 HTML中的行内元素和块级元素有什么区别? 元素类型解析            </a>
        </h3>
        <a class="item-images" href="https://www.chuangxiangniao.com/p/1570108.html" title="HTML中的行内元素和块级元素有什么区别? 元素类型解析" target="_blank">
            <span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412635153616.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412635121094.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412635257681.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412635232884.png"></i></span>        </a>
        <div class="item-excerpt">
            <p>理解html元素类型至关重要,因为它是构建网页布局和实现响应式设计的基础。1. 块级元素如 、 、 等默认独占一行,可设置宽高和内外边距,用于构建页面主要结构;2. 行内元素如、、等不独占一行,宽高由内容决定,适合在文本中嵌入内容;3. 可通过css的display属性自由转换元素类型,displa…</p>
        </div>
        <div class="item-meta">
                            <div class="item-meta-li author">
                                        <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                        <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                        <span>程序猿</span>
                    </a>
                </div>
                        <span class="item-meta-li date">2025年12月22日</span>
                            <span class="item-meta-li dot">•</span>
                <a class="item-meta-li" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
                        <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570108.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
        </div>
    </div>
</li>
<li class="item item2">
        <div class="item-img">
        <a class="item-img-inner" href="https://www.chuangxiangniao.com/p/1570106.html" title="什么是favicon?如何给网站添加小图标?" target="_blank" rel="bookmark">
            <img width="480" height="300" src="https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png" class="attachment-default size-default wp-post-image j-lazy" alt="什么是favicon?如何给网站添加小图标?" decoding="async" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412766123377.jpg?imageMogr2/crop/480x300/gravity/center" />        </a>
                <a class="item-category" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
            </div>
        <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570106.html" target="_blank" rel="bookmark">
                                 什么是favicon?如何给网站添加小图标?            </a>
        </h3>
        <div class="item-excerpt">
            <p>favicon显示不出来最常见的原因是浏览器缓存、路径错误、文件格式或尺寸问题;解决方法依次为:1.清除浏览器缓存或使用无痕模式测试;2.检查href路径是否正确,文件名及大小写是否匹配;3.优先使用兼容性好的.ico格式或支持透明的png格式,并确保图片未损坏;4.确认服务器正确配置了.ico或.…</p>
        </div>
        <div class="item-meta">
                        <div class="item-meta-li author">
                                <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                    <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                    <span>程序猿</span>
                </a>
            </div>
                                    <span class="item-meta-li date">2025年12月22日</span>
            <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570106.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
        </div>
    </div>
</li>
<li class="item item3">
    <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570101.html" target="_blank" rel="bookmark">
                                 如何用HTML创建一个多行文本框? textarea标签教程            </a>
        </h3>
        <a class="item-images" href="https://www.chuangxiangniao.com/p/1570101.html" title="如何用HTML创建一个多行文本框? textarea标签教程" target="_blank">
            <span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412772219336.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412772277294.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412772238726.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175412772271349.png"></i></span>        </a>
        <div class="item-excerpt">
            <p>html中创建多行文本框的核心标签是,用于收集用户输入的多行文本内容;2. 必须设置name属性以确保表单提交时服务器能获取数据,id用于前端操作和样式关联;3. 使用rows和cols或css设置初始大小,通过css的resize属性控制用户是否可调整大小,推荐使用resize:vertical或…</p>
        </div>
        <div class="item-meta">
                            <div class="item-meta-li author">
                                        <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                        <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                        <span>程序猿</span>
                    </a>
                </div>
                        <span class="item-meta-li date">2025年12月22日</span>
                            <span class="item-meta-li dot">•</span>
                <a class="item-meta-li" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
                        <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570101.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
        </div>
    </div>
</li>
<li class="item item3">
    <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570096.html" target="_blank" rel="bookmark">
                                 details和summary标签怎么用?折叠内容如何实现?            </a>
        </h3>
        <a class="item-images" href="https://www.chuangxiangniao.com/p/1570096.html" title="details和summary标签怎么用?折叠内容如何实现?" target="_blank">
            <span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175417920446584.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175417920560275.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175417920544350.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175417920649009.png"></i></span>        </a>
        <div class="item-excerpt">
            <p>使用 ails> 和 标签可原生实现内容折叠与展开,无需javascript;2. 为标题且必须是 的第一个子元素,默认折叠,添加 open 属性可默认展开;3. 可通过css隐藏默认标记并自定义指示符样式,如用 ::before 实现加号/减号切换;4. 原生支持键盘导航与屏幕阅读器,具备良…</p>
        </div>
        <div class="item-meta">
                            <div class="item-meta-li author">
                                        <a data-user="3" target="_blank" href="https://www.chuangxiangniao.com/user/3" class="avatar j-user-card">
                        <img alt='程序猿的头像' src='//cdn.chuangxiangniao.com/www/2025/10/2025102208472691.jpg' class='avatar avatar-60 photo' height='60' width='60' />                        <span>程序猿</span>
                    </a>
                </div>
                        <span class="item-meta-li date">2025年12月22日</span>
                            <span class="item-meta-li dot">•</span>
                <a class="item-meta-li" href="https://www.chuangxiangniao.com/news-2" target="_blank">好文分享</a>
                        <div class="item-meta-right">
                <span class="item-meta-li views" title="阅读数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-eye"></use></svg></i>0</span><a class="item-meta-li comments" href="https://www.chuangxiangniao.com/p/1570096.html#comments" target="_blank" title="评论数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-comment"></use></svg></i>0</a><span class="item-meta-li stars" title="收藏数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-star"></use></svg></i>0</span><span class="item-meta-li likes" title="点赞数"><i class="wpcom-icon wi"><svg aria-hidden="true"><use xlink:href="#wi-thumb-up"></use></svg></i>0</span>            </div>
        </div>
    </div>
</li>
<li class="item item3">
    <div class="item-content">
                <h3 class="item-title">
            <a href="https://www.chuangxiangniao.com/p/1570091.html" target="_blank" rel="bookmark">
                                 template标签的作用?HTML模板怎么定义?            </a>
        </h3>
        <a class="item-images" href="https://www.chuangxiangniao.com/p/1570091.html" title="template标签的作用?HTML模板怎么定义?" target="_blank">
            <span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175418022650314.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175418022640650.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="https://cdn.chuangxiangniao.com/www/2025/12/175418022723270.png"></i></span><span><i class="item-images-el j-lazy" style="background-image: url('https://www.chuangxiangniao.com/wp-content/themes/justnews/themer/assets/images/lazy.png');" data-original="http://placeholder.png"></i></span>        </a>
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