


XHTML introductory learning tutorial: Application of table tags_HTML/Xhtml_Web page production
Table is an embarrassing tag in XHTML. This section is just about understanding it. About the form
Before CSS became popular, tables were widely used for positioning. In XHTML, tables are not recommended for positioning. W3C hopes that CSS can replace
标签把每行分成一格一格。完全手写代码创建table是十分困难和低效的,而在网页制作软件中制作表格就如同Word一样简单,只需要选择行列之类的简单属性即可。但是我们可能会遇到自动做出的表格不符合要求,而需要在代码模式调整的可能,因此我们还是要大概了解XHTML表格标签的具体写法。
表格的边框(border)属性
In XHTML, the tag to create a table is tag to divide each row into cells. It is very difficult and inefficient to create a table with completely handwritten code. However, creating a table in web page production software is as easy as Word, and you only need to select simple attributes such as rows and columns. However, we may encounter the possibility that the automatically generated table does not meet the requirements and needs to be adjusted in the code mode. Therefore, we still need to have a general understanding of the specific writing method of XHTML table tags.
The border attribute of the table
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tags can have border attributes. If you do not set the value of the border attribute, the browser will not display the table border by default. Table practice |

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

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


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