HTML 速查列表. 你可以可以打印它,以备日常使用。
HTML 基本文档
<!DOCTYPE html><html><head><title>文档标题</title></head> <body>可见文本...</body> </html>
基本标签(Basic Tags)
<h1 id="最大的标题">最大的标题</h1> <h2 id="nbsp-nbsp-nbsp-nbsp"> . . . </h2> <h3 id="nbsp-nbsp-nbsp-nbsp"> . . . </h3> <h4 id="nbsp-nbsp-nbsp-nbsp"> . . . </h4> <h5 id="nbsp-nbsp-nbsp-nbsp"> . . . </h5> <h6 id="最小的标题">最小的标题</h6> <p>这是一个段落。</p> <br> (换行) <hr> (水平线) <!-- 这是注释 -->
文本格式化(Formatting)
<b>粗体文本</b> <code>计算机代码</code> <em>强调文本</em> <i>斜体文本</i> <kbd>键盘输入</kbd> <pre class="brush:php;toolbar:false">预格式化文本更小的文本 重要的文本 (缩写) (联系信息) (文字方向)
(从另一个源引用的部分) (工作的名称)(删除的文本) (插入的文本) (下标文本) (上标文本)链接(Links)
普通的链接: <a href="www.example.com/">链接文本</a>图像链接: <a href="www.example.com/"><img src="/static/imghwm/default1.png" data-src="URL" class="lazy" alt="替换文本"></a>邮件链接: <a href="mailto:webmaster@example.com">发送e-mail</a> 书签:<a id="tips">提示部分</a><a href="#tips">跳到提示部分</a>图片(Images)
<img src="/static/imghwm/default1.png" data-src="URL" class="lazy" alt="替换文本" style="max-width:90%" style="max-width:90%">样式/区块(Styles/Sections)
<style type="text/css"> h1 {color:red;} p {color:blue;} </style> <div>文档中的块级元素</div> <span>文档中的内联元素</span>无序列表
<ul> <li>项目</li> <li>项目</li> </ul>有序列表
<ol> <li>第一项</li> <li>第二项</li> </ol>定义列表
<dl> <dt>项目 1</dt> <dd>描述项目 1</dd> <dt>项目 2</dt> <dd>描述项目 2</dd> </dl>表格(Tables)
<table border="1"> <tr> <th>表格标题</th> <th>表格标题</th> </tr> <tr> <td>表格数据</td> <td>表格数据</td> </tr> </table>框架(Iframe)
<iframe src="demo_iframe.htm"></iframe>表单(Forms)
<form action="demo_form.php" method="post/get"> <input type="text" name="email" size="40" maxlength="50"><input type="password"><input type="checkbox" checked="checked"><input type="radio" checked="checked"><input type="submit" value="Send"><input type="reset"><input type="hidden"><select><option>苹果</option><option selected="selected">香蕉</option><option>樱桃</option></select> <textarea name="comment" rows="60" cols="20"></textarea></form>实体(Entities)
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The above is the detailed content of Simple and practical HTML cheat sheet. For more information, please follow other related articles on the PHP Chinese website!

The usage methods of HTML tags and attributes include: 1. Basic usage: Use tags such as and, and add necessary information through attributes such as src and href. 2. Advanced usage: Use data-* custom attributes to achieve complex interactions. 3. Avoid common mistakes: Make sure the property values are surrounded by quotes. 4. Performance optimization: Keep it simple, use standard attributes and CSS class names to ensure that the image has alt attributes. Mastering these will improve web development skills.

HTMLtagsdefinethestructureofawebpage,whileattributesaddfunctionalityanddetails.1)Tagslike,,andoutlinethecontent'splacement.2)Attributessuchassrc,class,andstyleenhancetagsbyspecifyingimagesources,styling,andmore,improvingfunctionalityandappearance.

The future of HTML will develop in a more semantic, functional and modular direction. 1) Semanticization will make the tag describe the content more clearly, improving SEO and barrier-free access. 2) Functionalization will introduce new elements and attributes to meet user needs. 3) Modularity will support component development and improve code reusability.

HTMLattributesarecrucialinwebdevelopmentforcontrollingbehavior,appearance,andfunctionality.Theyenhanceinteractivity,accessibility,andSEO.Forexample,thesrcattributeintagsimpactsSEO,whileonclickintagsaddsinteractivity.Touseattributeseffectively:1)Usese

The alt attribute is an important part of the tag in HTML and is used to provide alternative text for images. 1. When the image cannot be loaded, the text in the alt attribute will be displayed to improve the user experience. 2. Screen readers use the alt attribute to help visually impaired users understand the content of the picture. 3. Search engines index text in the alt attribute to improve the SEO ranking of web pages.

The roles of HTML, CSS and JavaScript in web development are: 1. HTML is used to build web page structure; 2. CSS is used to beautify the appearance of web pages; 3. JavaScript is used to achieve dynamic interaction. Through tags, styles and scripts, these three together build the core functions of modern web pages.

Setting the lang attributes of a tag is a key step in optimizing web accessibility and SEO. 1) Set the lang attribute in the tag, such as. 2) In multilingual content, set lang attributes for different language parts, such as. 3) Use language codes that comply with ISO639-1 standards, such as "en", "fr", "zh", etc. Correctly setting the lang attribute can improve the accessibility of web pages and search engine rankings.

HTMLattributesareessentialforenhancingwebelements'functionalityandappearance.Theyaddinformationtodefinebehavior,appearance,andinteraction,makingwebsitesinteractive,responsive,andvisuallyappealing.Attributeslikesrc,href,class,type,anddisabledtransform


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