search
HomeWeb Front-endFront-end Q&AHow to use html col tag

How to use html col tag

May 26, 2019 pm 02:02 PM

html The col tag is used to define attribute values ​​for one or more columns in a table. If you need to apply styles to all columns, the

tag is useful, so that you do not need to repeatedly apply styles to each unit and row. You can only use the tag within a table or colgroup element.

How to use html col tag

#html How to use col tag?

Function: One or more columns in the table define attribute values.

Note:

The

tag is useful if you need to apply styles to all columns, so that you don't need to apply styles repeatedly to each cell and row. You can only use the tag within a table or colgroup element.

Note: In HTML,

has no closing tag. In XHTML, the tag must be closed properly.

html col tag usage example

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<table width="100%" border="1">
    <col />
    <col />
    <col />
    <tr>
        <th>商品种类</th>
        <th>名称</th>
        <th>价格</th>
    </tr>
    <tr>
        <td>衣服</td>
        <td>衬衣</td>
        <td>53元</td>
    </tr>
    <tr>
        <td>鞋子</td>
        <td>板鞋</td>
        <td>199元</td>
    </tr>
</table>
</body>
</html>

Effect:

How to use html col tag

The above is the detailed content of How to use html col tag. For more information, please follow other related articles on the PHP Chinese website!

Statement
The 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
CSS: Can I use multiple IDs in the same DOM?CSS: Can I use multiple IDs in the same DOM?May 14, 2025 am 12:20 AM

No,youshouldn'tusemultipleIDsinthesameDOM.1)IDsmustbeuniqueperHTMLspecification,andusingduplicatescancauseinconsistentbrowserbehavior.2)Useclassesforstylingmultipleelements,attributeselectorsfortargetingbyattributes,anddescendantselectorsforstructure

The Aims of HTML5: Creating a More Powerful and Accessible WebThe Aims of HTML5: Creating a More Powerful and Accessible WebMay 14, 2025 am 12:18 AM

HTML5aimstoenhancewebcapabilities,makingitmoredynamic,interactive,andaccessible.1)Itsupportsmultimediaelementslikeand,eliminatingtheneedforplugins.2)Semanticelementsimproveaccessibilityandcodereadability.3)Featureslikeenablepowerful,responsivewebappl

Significant Goals of HTML5: Enhancing Web Development and User ExperienceSignificant Goals of HTML5: Enhancing Web Development and User ExperienceMay 14, 2025 am 12:18 AM

HTML5aimstoenhancewebdevelopmentanduserexperiencethroughsemanticstructure,multimediaintegration,andperformanceimprovements.1)Semanticelementslike,,,andimprovereadabilityandaccessibility.2)andtagsallowseamlessmultimediaembeddingwithoutplugins.3)Featur

HTML5: Is it secure?HTML5: Is it secure?May 14, 2025 am 12:15 AM

HTML5isnotinherentlyinsecure,butitsfeaturescanleadtosecurityrisksifmisusedorimproperlyimplemented.1)Usethesandboxattributeiniframestocontrolembeddedcontentandpreventvulnerabilitieslikeclickjacking.2)AvoidstoringsensitivedatainWebStorageduetoitsaccess

HTML5 goals in comparison with older HTML versionsHTML5 goals in comparison with older HTML versionsMay 14, 2025 am 12:14 AM

HTML5aimedtoenhancewebdevelopmentbyintroducingsemanticelements,nativemultimediasupport,improvedformelements,andofflinecapabilities,contrastingwiththelimitationsofHTML4andXHTML.1)Itintroducedsemantictagslike,,,improvingstructureandSEO.2)Nativeaudioand

CSS: Is it bad to use ID selector?CSS: Is it bad to use ID selector?May 13, 2025 am 12:14 AM

Using ID selectors is not inherently bad in CSS, but should be used with caution. 1) ID selector is suitable for unique elements or JavaScript hooks. 2) For general styles, class selectors should be used as they are more flexible and maintainable. By balancing the use of ID and class, a more robust and efficient CSS architecture can be implemented.

HTML5: Goals in 2024HTML5: Goals in 2024May 13, 2025 am 12:13 AM

HTML5'sgoalsin2024focusonrefinementandoptimization,notnewfeatures.1)Enhanceperformanceandefficiencythroughoptimizedrendering.2)Improveaccessibilitywithrefinedattributesandelements.3)Addresssecurityconcerns,particularlyXSS,withwiderCSPadoption.4)Ensur

What are the main areas where HTML5 tried to improve?What are the main areas where HTML5 tried to improve?May 13, 2025 am 12:12 AM

HTML5aimedtoimprovewebdevelopmentinfourkeyareas:1)Multimediasupport,2)Semanticstructure,3)Formcapabilities,and4)Offlineandstorageoptions.1)HTML5introducedandelements,simplifyingmediaembeddingandenhancinguserexperience.2)Newsemanticelementslikeandimpr

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

Video Face Swap

Video Face Swap

Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

DVWA

DVWA

Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

PhpStorm Mac version

PhpStorm Mac version

The latest (2018.2.1) professional PHP integrated development tool