Font color setting: color
<base href="<%=basePath%>"> <style type="text/css"> div{ color: blue; } a{ color: red; } </style> <div><span>Hello World!</span></div> <a>你好!</a> <p style="color:#D95624;">11111</p>
Running result:
Font size setting: font-size
<pre name="code" class="html"> <base href="<%=basePath%>"> <style type="text/css"> div{ font-size: 22pt; } a{ /*浏览器中默认的文本大小是 16 像素。因此 1em 的默认尺寸是 16 像素,同时W3C标准推荐的也是em作为字体大小的度量单位*/ font-size: 1em; } </style> <div>二号字 ,磅值为:22</div> <a>1em的字体</a> <p style="font-size: 32px;">32像素的字体</p> <span style="font-size: 200%">2em的字体</span>
Results of running
字体类型:font-family
<pre name="code" class="html"> <base href="<%=basePath%>"> <style type="text/css"> div{ /*仿宋*/ font-family:仿宋_GB2312; } a{ /*微软雅黑,宋体*/ font-family : 微软雅黑,宋体; } </style> <div>仿宋_GB2312</div> <a>微软雅黑,宋体</a> <p style="font-family:黑体;">黑体</p> <span style="font-family: Times New Roman;">Times New Roman</span>
Running Result:
<img src="/static/imghwm/default1.png" data-src="http://img.blog.csdn.net/20150807235228635" class="lazy" alt="">
其它:
<pre name="code" class="html"> <base href="<%=basePath%>"> <style type="text/css"> div{ /*文本斜体显示*/ font-style: italic; } a{ /*字体加粗*/ font-weight:bold; } </style> <a>字体加粗</a> <div>文本斜体显示</div> <span style="max-width:90%">加下划线</span>
Running result:
<img src="/static/imghwm/default1.png" data-src="http://img.blog.csdn.net/20150807235305830" class="lazy" alt="">
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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.

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.


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