- 命名只能是[a-zA-Z0-9]、連字符(-)、下劃線(_)<\/li>
- 命名必須以字母開頭命名、單詞間用下?lián)Q線(main_left)連接或駝峰命名(mainLeft、MainLeft)<\/li>
- 語義化命名{側(cè)邊欄：sidebar,主要內(nèi)容：main}<\/li> <\/ol> <\/article><\/section>
html標(biāo)簽語義化<\/h1>
- header元素<\/dt>
- 描述：“網(wǎng)頁”或“section”的頁頭，一般包括h1-h6、hgroup、nav、logo相關(guān)等。<\/dd>
- 注意：沒有個數(shù)限制，如果hgroup或h1-h6自己就能工作的很好，那就不要用header。<\/dd>
- 示例：header>hgroup>h1+h2<\/dd> <\/dl>
- footer元素<\/dt>
- 描述：“網(wǎng)頁”或“section”的頁腳，一般包括版權(quán)等。<\/dd>
- 注意：沒有個數(shù)限制。<\/dd>
- 示例：footer{copyright©2013}<\/dd> <\/dl>
- hgroup元素<\/dt>
- 描述：“網(wǎng)頁”或“section”的標(biāo)題，或組合h1-h6。<\/dd>
- 注意：連續(xù)多個h1-h6標(biāo)簽需要用hgroup，只有一個h1-h6不需要hgroup，<\/dd>
- 示例：hgroup>h1+h2<\/dd> <\/dl>
- nav元素<\/dt>
- 描述：定義主導(dǎo)航。<\/dd>
- 注意：除主導(dǎo)航外不建議使用。<\/dd>
- 示例：nav>ol>li{menu$}*3<\/dd> <\/dl>
- aside元素<\/dt>
- 描述：在article內(nèi)表示主要內(nèi)容的附屬信息，在article外常用于側(cè)邊欄。<\/dd>
- 示例：section>article+aside<\/dd> <\/dl>
- section元素<\/dt>
- 描述：代表文檔中一個分組或分段。<\/dd>
- 注意：通常需要包含標(biāo)題，可以用nav、article等的就不要用section，沒有實際意義就用div。<\/dd>
- 示例：section>h1+article<\/dd> <\/dl>
- article元素<\/dt>
- 描述：代表在頁面或網(wǎng)站中自成一體的內(nèi)容，為了獨立開發(fā)或重用；例如論壇帖子，博客文章。<\/dd>
- 注意：通常需要包含標(biāo)題。<\/dd>
- 示例：section>h1+article*2>h2{獨立$}<\/dd> <\/dl>
- address元素<\/dt>
- 描述：常用語聯(lián)系信息，郵編地址等。<\/dd>
- 示例：address>ul>li{地址$}*2 <\/dd> <\/dl>
- h1-h6元素<\/dt>
- 描述：標(biāo)題。<\/dd>
- 注意：因為hgroup、section、article的出現(xiàn)，允許一個頁面里出現(xiàn)多次h1。<\/dd>
- 示例：section>h1{section標(biāo)題}+article>h1{article標(biāo)題}<\/dd> <\/dl>
- div元素<\/dt>
- 描述：一個區(qū)塊，沒有語義。<\/dd> <\/dl>
- dl元素<\/dt>
- 描述：自定義列表，與dt、dd組合使用。<\/dd>
- 注意：常用于名詞解釋，描述。<\/dd> <\/dl>
- ol元素<\/dt>
- 描述：有序列表，與li組合使用。<\/dd> <\/dl>
- ul元素<\/dt>
- 描述：無序列表，與li組合使用。<\/dd> <\/dl>
- time元素<\/dt>
- 描述：定義發(fā)布時間。<\/dd>
- 注意：time包括記起識別時間戳屬性(datetime=\"2012-12-25\")，pubdata標(biāo)記(pubdata=\"true\")屬性，文本內(nèi)容<\/dd> <\/dl>
- a元素(anchor 的縮寫)<\/dt>
- 描述：定義超鏈接。<\/dd> <\/dl>
- em元素(emphasis 的縮寫)<\/dt>
- 描述：句意強調(diào)或局部強調(diào)，改變局部側(cè)重點。<\/dd> <\/dl>
- strong元素<\/dt>
- 描述：表示重要，凸顯關(guān)鍵語句。<\/dd> <\/dl>
- p元素<\/dt>
- 描述：定義段落。<\/dd> <\/dl>
- b元素(bold 的縮寫)<\/dt>
- 描述：表示加粗，突出顯示，無強調(diào)作用，常用于文檔概要，評論中的關(guān)鍵字。<\/dd> <\/dl>
- i元素(italic 的縮寫)<\/dt>
- 描述：表示傾斜或不同于文章觀點的文本，類似于話外音。<\/dd> <\/dl>
- code元素<\/dt>
- 描述：定義計算機代碼文本。<\/dd> <\/dl>
- q元素(quote 的縮寫)<\/dt>
- 描述：定義短的引用內(nèi)容。<\/dd> <\/dl>
- blockquote元素<\/dt>
- 描述：定義長的引用內(nèi)容。<\/dd> <\/dl>
- cite元素<\/dt>
- 描述：定義引用內(nèi)容標(biāo)題。<\/dd> <\/dl>
- u元素(underline 的縮寫)<\/dt>
- 描述：定義下劃線。<\/dd> <\/dl>
- abbr元素(abbreviation 的縮寫)<\/dt>
- 描述：定義一個縮寫文本，建議在abbr的title中填寫全稱。<\/dd> <\/dl>
- dfn元素(defining instance 的縮寫)<\/dt>
- 描述：定義一個術(shù)語。<\/dd> <\/dl>
- var元素<\/dt>
- 描述：定義計算機代碼中的變量。<\/dd> <\/dl>
- samp元素(sample 的縮寫)<\/dt>
- 描述：由程序輸出的示例文本。<\/dd> <\/dl>
- kbd元素(keyboard 的縮寫)<\/dt>
- 描述：由鍵盤輸入文本。<\/dd> <\/dl>
- wbr元素(word break 的縮寫)<\/dt>
- 描述：定義換行的時機。<\/dd> <\/dl>
- span元素<\/dt>
- 描述：一個行內(nèi)元素區(qū)域，沒有語義。<\/dd> <\/dl>
- br元素<\/dt>
- 描述：定義一個換行。<\/dd> <\/dl>
- pre元素<\/dt>
- 描述：預(yù)格式化文本，會保留空格和換行。<\/dd> <\/dl>
- hr元素<\/dt>
- 描述：分割線。<\/dd> <\/dl>
- figure元素<\/dt>
- 描述：一塊獨立的內(nèi)容，該內(nèi)容被移除不會影響周圍內(nèi)容，常用于統(tǒng)計，圖，音頻、視頻、代碼片段等。<\/dd> <\/dl>
- figcaption元素<\/dt>
- 描述：當(dāng)figure需要一個標(biāo)題時，用且只能用figcaption定義。<\/dd> <\/dl>
- img元素<\/dt>
- 描述：引入一張圖片。<\/dd> <\/dl>
- iframe元素<\/dt>
- 描述：引入一張網(wǎng)頁。<\/dd> <\/dl>
- canvas元素<\/dt>
- 描述：用于繪畫。<\/dd> <\/dl>
- video元素<\/dt>
- 描述：引入視頻。<\/dd> <\/dl>
- audio元素<\/dt>
- 描述：引入音頻。<\/dd> <\/dl> <\/article><\/section><\/body><\/html><\/pre> <\/p>
?<\/p> "}
国产av日韩一区二区三区精品,成人性爱视频在线观看,国产,欧美,日韩,一区,www.成色av久久成人,2222eeee成人天堂
Home
Web Front-end
HTML Tutorial
[Html Css] css naming convention, html tag semantics_html/css_WEB-ITnose
[Html Css] css naming convention, html tag semantics_html/css_WEB-ITnose
Jun 24, 2016 pm 12:34 PM
<!doctype html><html lang="en"><head> <meta charset="UTF-8"> <title>css命名規(guī)范、html標(biāo)簽語義化</title> <style> dl,li { font: 12px/24px 'simsun';} dl dt { font-weight: bold; } </style></head><body><div class="link"> <a href="http://www.html5jscss.com/html5-semantics-section-30.html">本文參考文章1</a> <a href="http://www.html5jscss.com/html5-semantics-rich-60.html">本文參考文章2</a></div><section> <h1>命名規(guī)范</h1> <article> <ol> <li>命名只能是[a-zA-Z0-9]、連字符(-)、下劃線(_)</li> <li>命名必須以字母開頭命名、單詞間用下?lián)Q線(main_left)連接或駝峰命名(mainLeft、MainLeft)</li> <li>語義化命名{側(cè)邊欄：sidebar,主要內(nèi)容：main}</li> </ol> </article></section><section> <h1>html標(biāo)簽語義化</h1> <article> <dl> <dt>header元素</dt> <dd>描述：“網(wǎng)頁”或“section”的頁頭，一般包括h1-h6、hgroup、nav、logo相關(guān)等。</dd> <dd>注意：沒有個數(shù)限制，如果hgroup或h1-h6自己就能工作的很好，那就不要用header。</dd> <dd>示例：header>hgroup>h1+h2</dd> </dl> <dl> <dt>footer元素</dt> <dd>描述：“網(wǎng)頁”或“section”的頁腳，一般包括版權(quán)等。</dd> <dd>注意：沒有個數(shù)限制。</dd> <dd>示例：footer{copyright©2013}</dd> </dl> <dl> <dt>hgroup元素</dt> <dd>描述：“網(wǎng)頁”或“section”的標(biāo)題，或組合h1-h6。</dd> <dd>注意：連續(xù)多個h1-h6標(biāo)簽需要用hgroup，只有一個h1-h6不需要hgroup，</dd> <dd>示例：hgroup>h1+h2</dd> </dl> <dl> <dt>nav元素</dt> <dd>描述：定義主導(dǎo)航。</dd> <dd>注意：除主導(dǎo)航外不建議使用。</dd> <dd>示例：nav>ol>li{menu$}*3</dd> </dl> <dl> <dt>aside元素</dt> <dd>描述：在article內(nèi)表示主要內(nèi)容的附屬信息，在article外常用于側(cè)邊欄。</dd> <dd>示例：section>article+aside</dd> </dl> <dl> <dt>section元素</dt> <dd>描述：代表文檔中一個分組或分段。</dd> <dd>注意：通常需要包含標(biāo)題，可以用nav、article等的就不要用section，沒有實際意義就用div。</dd> <dd>示例：section>h1+article</dd> </dl> <dl> <dt>article元素</dt> <dd>描述：代表在頁面或網(wǎng)站中自成一體的內(nèi)容，為了獨立開發(fā)或重用；例如論壇帖子，博客文章。</dd> <dd>注意：通常需要包含標(biāo)題。</dd> <dd>示例：section>h1+article*2>h2{獨立$}</dd> </dl> <dl> <dt>address元素</dt> <dd>描述：常用語聯(lián)系信息，郵編地址等。</dd> <dd>示例：address>ul>li{地址$}*2 </dd> </dl> <dl> <dt>h1-h6元素</dt> <dd>描述：標(biāo)題。</dd> <dd>注意：因為hgroup、section、article的出現(xiàn)，允許一個頁面里出現(xiàn)多次h1。</dd> <dd>示例：section>h1{section標(biāo)題}+article>h1{article標(biāo)題}</dd> </dl> <dl> <dt>div元素</dt> <dd>描述：一個區(qū)塊，沒有語義。</dd> </dl> <dl> <dt>dl元素</dt> <dd>描述：自定義列表，與dt、dd組合使用。</dd> <dd>注意：常用于名詞解釋，描述。</dd> </dl> <dl> <dt>ol元素</dt> <dd>描述：有序列表，與li組合使用。</dd> </dl> <dl> <dt>ul元素</dt> <dd>描述：無序列表，與li組合使用。</dd> </dl> <dl> <dt>time元素</dt> <dd>描述：定義發(fā)布時間。</dd> <dd>注意：time包括記起識別時間戳屬性(datetime="2012-12-25")，pubdata標(biāo)記(pubdata="true")屬性，文本內(nèi)容</dd> </dl> <dl> <dt>a元素(anchor 的縮寫)</dt> <dd>描述：定義超鏈接。</dd> </dl> <dl> <dt>em元素(emphasis 的縮寫)</dt> <dd>描述：句意強調(diào)或局部強調(diào)，改變局部側(cè)重點。</dd> </dl> <dl> <dt>strong元素</dt> <dd>描述：表示重要，凸顯關(guān)鍵語句。</dd> </dl> <dl> <dt>p元素</dt> <dd>描述：定義段落。</dd> </dl> <dl> <dt>b元素(bold 的縮寫)</dt> <dd>描述：表示加粗，突出顯示，無強調(diào)作用，常用于文檔概要，評論中的關(guān)鍵字。</dd> </dl> <dl> <dt>i元素(italic 的縮寫)</dt> <dd>描述：表示傾斜或不同于文章觀點的文本，類似于話外音。</dd> </dl> <dl> <dt>code元素</dt> <dd>描述：定義計算機代碼文本。</dd> </dl> <dl> <dt>q元素(quote 的縮寫)</dt> <dd>描述：定義短的引用內(nèi)容。</dd> </dl> <dl> <dt>blockquote元素</dt> <dd>描述：定義長的引用內(nèi)容。</dd> </dl> <dl> <dt>cite元素</dt> <dd>描述：定義引用內(nèi)容標(biāo)題。</dd> </dl> <dl> <dt>u元素(underline 的縮寫)</dt> <dd>描述：定義下劃線。</dd> </dl> <dl> <dt>abbr元素(abbreviation 的縮寫)</dt> <dd>描述：定義一個縮寫文本，建議在abbr的title中填寫全稱。</dd> </dl> <dl> <dt>dfn元素(defining instance 的縮寫)</dt> <dd>描述：定義一個術(shù)語。</dd> </dl> <dl> <dt>var元素</dt> <dd>描述：定義計算機代碼中的變量。</dd> </dl> <dl> <dt>samp元素(sample 的縮寫)</dt> <dd>描述：由程序輸出的示例文本。</dd> </dl> <dl> <dt>kbd元素(keyboard 的縮寫)</dt> <dd>描述：由鍵盤輸入文本。</dd> </dl> <dl> <dt>wbr元素(word break 的縮寫)</dt> <dd>描述：定義換行的時機。</dd> </dl> <dl> <dt>span元素</dt> <dd>描述：一個行內(nèi)元素區(qū)域，沒有語義。</dd> </dl> <dl> <dt>br元素</dt> <dd>描述：定義一個換行。</dd> </dl> <dl> <dt>pre元素</dt> <dd>描述：預(yù)格式化文本，會保留空格和換行。</dd> </dl> <dl> <dt>hr元素</dt> <dd>描述：分割線。</dd> </dl> <dl> <dt>figure元素</dt> <dd>描述：一塊獨立的內(nèi)容，該內(nèi)容被移除不會影響周圍內(nèi)容，常用于統(tǒng)計，圖，音頻、視頻、代碼片段等。</dd> </dl> <dl> <dt>figcaption元素</dt> <dd>描述：當(dāng)figure需要一個標(biāo)題時，用且只能用figcaption定義。</dd> </dl> <dl> <dt>img元素</dt> <dd>描述：引入一張圖片。</dd> </dl> <dl> <dt>iframe元素</dt> <dd>描述：引入一張網(wǎng)頁。</dd> </dl> <dl> <dt>canvas元素</dt> <dd>描述：用于繪畫。</dd> </dl> <dl> <dt>video元素</dt> <dd>描述：引入視頻。</dd> </dl> <dl> <dt>audio元素</dt> <dd>描述：引入音頻。</dd> </dl> </article></section></body></html>?
Statement of this WebsiteThe content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Hot AI Tools
Undress AI Tool
Undress images for free
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Guide: Stellar Blade Save File Location/Save File Lost/Not Saving4 weeks ago By DDDOguri Cap Build Guide | A Pretty Derby Musume2 weeks ago By Jack chenAgnes Tachyon Build Guide | A Pretty Derby Musume2 weeks ago By Jack chenDune: Awakening - Advanced Planetologist Quest Walkthrough4 weeks ago By Jack chenDate Everything: Dirk And Harper Relationship Guide4 weeks ago By Jack chen
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
See all articles
How do I stay up-to-date with the latest HTML standards and best practices?
Jun 20, 2025 am 08:33 AM
The key to keep up with HTML standards and best practices is to do it intentionally rather than follow it blindly. First, follow the summary or update logs of official sources such as WHATWG and W3C, understand new tags (such as) and attributes, and use them as references to solve difficult problems; second, subscribe to trusted web development newsletters and blogs, spend 10-15 minutes a week to browse updates, focus on actual use cases rather than just collecting articles; second, use developer tools and linters such as HTMLHint to optimize the code structure through instant feedback; finally, interact with the developer community, share experiences and learn other people's practical skills, so as to continuously improve HTML skills.
How do I use the element to represent the main content of a document?
Jun 19, 2025 pm 11:09 PM
The reason for using tags is to improve the semantic structure and accessibility of web pages, make it easier for screen readers and search engines to understand page content, and allow users to quickly jump to core content. Here are the key points: 1. Each page should contain only one element; 2. It should not include content that is repeated across pages (such as sidebars or footers); 3. It can be used in conjunction with ARIA properties to enhance accessibility. Usually located after and before, it is used to wrap unique page content, such as articles, forms or product details, and should be avoided in, or in; to improve accessibility, aria-labeledby or aria-label can be used to clearly identify parts.
How do I minimize the size of HTML files?
Jun 24, 2025 am 12:53 AM
To reduce the size of HTML files, you need to clean up redundant code, compress content, and optimize structure. 1. Delete unused tags, comments and extra blanks to reduce volume; 2. Move inline CSS and JavaScript to external files and merge multiple scripts or style blocks; 3. Simplify label syntax without affecting parsing, such as omitting optional closed tags or using short attributes; 4. After cleaning, enable server-side compression technologies such as Gzip or Brotli to further reduce the transmission volume. These steps can significantly improve page loading performance without sacrificing functionality.
How do I create a basic HTML document?
Jun 19, 2025 pm 11:01 PM
To create a basic HTML document, you first need to understand its basic structure and write code in a standard format. 1. Use the declaration document type at the beginning; 2. Use the tag to wrap the entire content; 3. Include and two main parts in it, which are used to store metadata such as titles, style sheet links, etc., and include user-visible content such as titles, paragraphs, pictures and links; 4. Save the file in .html format and open the viewing effect in the browser; 5. Then you can gradually add more elements to enrich the page content. Follow these steps to quickly build a basic web page.
How do I create checkboxes in HTML using the element?
Jun 19, 2025 pm 11:41 PM
To create an HTML checkbox, use the type attribute to set the element of the checkbox. 1. The basic structure includes id, name and label tags to ensure that clicking text can switch options; 2. Multiple related check boxes should use the same name but different values, and wrap them with fieldset to improve accessibility; 3. Hide native controls when customizing styles and use CSS to design alternative elements while maintaining the complete functions; 4. Ensure availability, pair labels, support keyboard navigation, and avoid relying on only visual prompts. The above steps can help developers correctly implement checkbox components that have both functional and aesthetics.
How do I use the element to represent the footer of a document or section?
Jun 25, 2025 am 12:57 AM
It is a semantic tag used in HTML5 to define the bottom of the page or content block, usually including copyright information, contact information or navigation links; it can be placed at the bottom of the page or nested in, etc. tags as the end of the block; when using it, you should pay attention to avoid repeated abuse and irrelevant content.
How has HTML evolved over time, and what are the key milestones in its history?
Jun 24, 2025 am 12:54 AM
HTMLhasevolvedsignificantlysinceitscreationtomeetthegrowingdemandsofwebdevelopersandusers.Initiallyasimplemarkuplanguageforsharingdocuments,ithasundergonemajorupdates,includingHTML2.0,whichintroducedforms;HTML3.x,whichaddedvisualenhancementsandlayout
How do I use the tabindex attribute to control the tab order of elements?
Jun 24, 2025 am 12:56 AM
ThetabindexattributecontrolshowelementsreceivefocusviatheTabkey,withthreemainvalues:tabindex="0"addsanelementtothenaturaltaborder,tabindex="-1"allowsprogrammaticfocusonly,andtabindex="n"(positivenumber)setsacustomtabbing
- 注意：time包括記起識別時間戳屬性(datetime=\"2012-12-25\")，pubdata標(biāo)記(pubdata=\"true\")屬性，文本內(nèi)容<\/dd> <\/dl>
- 注意：常用于名詞解釋，描述。<\/dd> <\/dl>
- 注意：因為hgroup、section、article的出現(xiàn)，允許一個頁面里出現(xiàn)多次h1。<\/dd>
- 示例：address>ul>li{地址$}*2 <\/dd> <\/dl>
- 注意：通常需要包含標(biāo)題。<\/dd>
- 注意：通常需要包含標(biāo)題，可以用nav、article等的就不要用section，沒有實際意義就用div。<\/dd>
- 示例：section>article+aside<\/dd> <\/dl>
- 注意：除主導(dǎo)航外不建議使用。<\/dd>
- 注意：連續(xù)多個h1-h6標(biāo)簽需要用hgroup，只有一個h1-h6不需要hgroup，<\/dd>
- 注意：沒有個數(shù)限制。<\/dd>
- 注意：沒有個數(shù)限制，如果hgroup或h1-h6自己就能工作的很好，那就不要用header。<\/dd>
