列举几个简单的文章排行榜数字效果
一:使用list-style来显示数字、圆点、字母或者图片
<style> li{width:300px; border-bottom: 1px dotted #ccc; line-height: 30px; height: 30px; overflow:hidden } li{list-style: decimal inside; } </style> <ul> <li>文章1</li> <li>文章2</li> </ul>
二:使用伪元素:before
使用这种方法,需要在父级标签设置counter-reset:section;
<style> ul{counter-reset:section;} li{width:300px; border-bottom: 1px dotted #ccc; line-height: 30px; height: 30px; overflow:hidden } li:before{counter-increment:section;content:counter(section);display:inline-block;padding:0 6px;margin-right:10px;height:18px;line-height:18px;background:#717070;color:#fff;border-radius:3px;font-size:9px} li:nth-child(1):before{background:#ff6a00} li:nth-child(2):before{background:#107db4} li:nth-child(3):before{background:#56ae11} </style> <ul> <li>文章1</li> <li>文章2</li> <li>文章3</li> <li>文章4</li> </ul>
三:使用js实现,先引入jquery
<style> ul{counter-reset:section;} li{width:300px; border-bottom: 1px dotted #ccc; line-height: 30px; height: 30px; overflow:hidden } li i{display:inline-block;font-style:initial;padding:0 6px;margin-right:10px;height:18px;line-height:18px;background:#717070;color:#fff;border-radius:3px;font-size:9px} .red1{background:#ff6a00} .red2{background:#107db4} .red3{background:#56ae11} </style> <ul> <li>文章1</li> <li>文章2</li> <li>文章3</li> <li>文章4</li> </ul> <script> listsort() //显示排行 function listsort() { var index = 0; $("li").each(function () { index++; var num = $("<i>" + index + "</i>"); if (index <= 3) num.addClass("red" +index); $(this).prepend(num); }); } </script>
比较三种方法,无论是从代码量、还是特效,推荐第二种方法,而且便以维护
地址:http://cssteach.com/html/show-12-88.html

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

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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

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


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