这里是一个嵌套列表的例子:
- A few New England states:
- Vermont
- New Hampshire
- Maine
- Vermont
- Two Midwestern states:
- Michigan
- Indiana
- Michigan
这个嵌套列表的显示:
A few New England states:
Vermont
New Hampshire
Maine
Two Midwestern states:
Michigan
Indiana
预排格式文本Preformatted Text
用
标记 (表示 "preformatted") 可以产生固定宽度的字体. 该标记同时使空格,新行,和制表键 tabs 有效 (多个空格显示为多个空格, 源文件中的换行也在浏览器中产生换行). 这对于程序清单和其他一些情况是很有用的. 例如, 下面的行: <br><br><pre class="brush:php;toolbar:false"><br>#!/bin/csh <br>cd $SCR <br>cfs get mysrc.f:mycfsdir/mysrc.f <br>cfs get myinfile:mycfsdir/myinfile <br>fc -02 -o mya.out mysrc.f <br>mya.out <br>cfs save myoutfile:mycfsdir/myoutfile <br>rm * <br>
显示为:
#!/bin/csh
cd $SCR
cfs get mysrc.f:mycfsdir/mysrc.f
cfs get myinfile:mycfsdir/myinfile
fc -02 -o mya.out mysrc.f
mya.out
cfs save myoutfile:mycfsdir/myoutfile
rm *
标记可以带一个宽度属性 WIDTH ,指明一行中最多允许的字符数. WIDTH 同时通知浏览器选择一个合适的字体以及文本的缩排. <br><br>在 <pre class="brush:php;toolbar:false"> 作用的部分中也可以加超链. 但是其他的 HTML 标记应该避免在 <pre class="brush:php;toolbar:false"> 的区间中使用. <br><br>注意,由于, 和 & 在 HTML 文件中有特殊含义, 在你输入这些字符的时候必须使用它们的转义序列 (分别为<, >, 和 &) . 详细内容参见转义序列 . <br><br>大范围引用Extended Quotations<br>使用 <blockquote> 标记可以在屏幕上用分离的块显示大段的引用. 多数浏览器通常改变引用部分的页边界,以和周围的文本区分开. <br><br>在下面的例子中: <br><br><blockquote> <br><p>Omit needless words.</p> <br><p>Vigorous writing is concise. A sentence should contain no <br>unnecessary words, a paragraph no unnecessary sentences, for the <br>same reason that a drawing should have no unnecessary lines and a <br>machine no unnecessary parts.</p> <br>--William Strunk, Jr., 1918<br> </blockquote> <br><br>显示结果为: <br><br>Omit needless words. <br><br>Vigorous writing is concise. A sentence should contain no unnecessary words, a paragraph no unnecessary sentences, for the same reason that a drawing should have no unnecessary lines and a machine no unnecessary parts.<p> 以上就是HTML 初学者指南(四)的内容,更多相关内容请关注PHP中文网(www.php.cn)!<br></p> <p><br></p> </blockquote>

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

TocreatealistinHTML,useforunorderedlistsandfororderedlists:1)Forunorderedlists,wrapitemsinanduseforeachitem,renderingasabulletedlist.2)Fororderedlists,useandfornumberedlists,customizablewiththetypeattributefordifferentnumberingstyles.

HTML is used to build websites with clear structure. 1) Use tags such as, and define the website structure. 2) Examples show the structure of blogs and e-commerce websites. 3) Avoid common mistakes such as incorrect label nesting. 4) Optimize performance by reducing HTTP requests and using semantic tags.

ToinsertanimageintoanHTMLpage,usethetagwithsrcandaltattributes.1)UsealttextforaccessibilityandSEO.2)Implementsrcsetforresponsiveimages.3)Applylazyloadingwithloading="lazy"tooptimizeperformance.4)OptimizeimagesusingtoolslikeImageOptimtoreduc

The core purpose of HTML is to enable the browser to understand and display web content. 1. HTML defines the web page structure and content through tags, such as, to, etc. 2. HTML5 enhances multimedia support and introduces and tags. 3.HTML provides form elements to support user interaction. 4. Optimizing HTML code can improve web page performance, such as reducing HTTP requests and compressing HTML.

HTMLtagsareessentialforwebdevelopmentastheystructureandenhancewebpages.1)Theydefinelayout,semantics,andinteractivity.2)SemantictagsimproveaccessibilityandSEO.3)Properuseoftagscanoptimizeperformanceandensurecross-browsercompatibility.

A consistent HTML encoding style is important because it improves the readability, maintainability and efficiency of the code. 1) Use lowercase tags and attributes, 2) Keep consistent indentation, 3) Select and stick to single or double quotes, 4) Avoid mixing different styles in projects, 5) Use automation tools such as Prettier or ESLint to ensure consistency in styles.


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