search
HomeWeb Front-endHTML TutorialHTML的16个全局属性_html/css_WEB-ITnose

目录 [1]accesskey [2]class [3]dir [4]id [5]lang [6]style [7]tabindex [8]title [9]contenteditable [10]contentmenu [11]data-* [12]draggable [13]dropzone [14]hidden [15]spellcheck [16]translate

前面的话

  在HTML中,属性能表达相当丰富的语义,而且属性也会额外提供很多实用的功能,HTML共支持16个常见的全局属性。

 

HTML原有属性

accesskey

  作用:浏览器用来创建激活或聚焦元素的快捷键

  值:一个键盘字符如 O

  范围:支持该属性的元素有

  注意:使用该属性可能在新窗口打开链接时可能会被浏览器屏蔽

<div>    <a href="http://www.baidu.com" accesskey="b">百度</a>    <a href="http://www.taobao.com" accesskey="a">阿里</a>    <a href="http://www.qq.com" accesskey="t">腾讯</a>        <p>快捷键(alt+b)可以跳转到百度;快捷键(alt+a)可以跳转到阿里;快捷键(alt+t)可以跳转到腾讯</p></div>

class

  作用:规定元素的一个或多个类名

  值:多个类名用空格分隔

  注意:类名不能以数字开头

 

dir

  作用:文字的方向

  值:ltr/rtl/auto

id

  作用:规定元素的唯一标识

  注意:若浏览器中出现多个id名的情况,CSS样式对所以该id名的元素都生效,但js脚本仅对第一个出现该id名的元素生效

lang

  作用:规定元素内容的语言

  值:en英文/zn中文

 

style

  作用:设置元素的行间样式

 

tabindex

  作用:规定元素的tab键次序

  值:(1是第一个)

<div>    <a href="http://www.baidu.com" tabindex="3">百度</a>    <a href="http://www.taobao.com" tabindex="2">阿里</a>    <a href="http://www.qq.com" tabindex="1">腾讯</a>    </div>

 

title

  作用:规定关于元素的额外信息,鼠标移到元素上时显示一段提示文本 

 

 

HTML5新增属性

contenteditable

  作用:指定是否可以在浏览器里编辑内容

  值:true/false

  注意:设置document.designMode ='on'时,页面的任意位置都可以编辑;使用contenteditable ='true'则只对具体元素和其包含的元素起作用

  移动端:移动端ios5以及android3之后才支持该属性

  选中文字后,点击下列相应属性值可进行演示

contextmenu(没有浏览器支持)

  作用:跟元素关联的右键菜单

  值:

元素中唯一ID

 

data-*

  作用:用于存储页面或应用程序的私有定制数据

  注意:属性名不应包含任何大写字母,且在前缀"data-"之后必须有至少一个字符;属性值可以是任意字符串

  使用:可以在所有浏览器中使用getAttribute方法来获取data-*属性的值,也可以使用javascript中dataset属性访问data-*属性的值,不过IE10-浏览器不支持dataset

 

draggable(IE8-不支持)

  作用:用户是否可以拖动元素

  值:true/false/auto

  注意:链接和图像默认是可拖动的

 

dropzone(所有浏览器都不支持)

  作用:规定在拖动被拖动数据时是否进行复制、移动或链接

  值:copy拷贝/move移动/link指向原始数据链接

 

hidden(IE7-不支持)

  作用:显示或隐藏该元素(与display:none的作用一样)

  值:true/false

 

spellcheck(IE9-不支持) 

  作用:规定是否对元素进行拼写和语法检查,对拼写错误的单词会在其下方出现红线

  范围:可编辑区域(表单或contenteditable元素)

  值:true/false

  注意:移动端支持不好

translate(所有浏览器都不支持)

 作用:规定是否应该翻译元素内容

 值:yes/no

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
The Future of HTML, CSS, and JavaScript: Web Development TrendsThe Future of HTML, CSS, and JavaScript: Web Development TrendsApr 19, 2025 am 12:02 AM

The future trends of HTML are semantics and web components, the future trends of CSS are CSS-in-JS and CSSHoudini, and the future trends of JavaScript are WebAssembly and Serverless. 1. HTML semantics improve accessibility and SEO effects, and Web components improve development efficiency, but attention should be paid to browser compatibility. 2. CSS-in-JS enhances style management flexibility but may increase file size. CSSHoudini allows direct operation of CSS rendering. 3.WebAssembly optimizes browser application performance but has a steep learning curve, and Serverless simplifies development but requires optimization of cold start problems.

HTML: The Structure, CSS: The Style, JavaScript: The BehaviorHTML: The Structure, CSS: The Style, JavaScript: The BehaviorApr 18, 2025 am 12:09 AM

The roles of HTML, CSS and JavaScript in web development are: 1. HTML defines the web page structure, 2. CSS controls the web page style, and 3. JavaScript adds dynamic behavior. Together, they build the framework, aesthetics and interactivity of modern websites.

The Future of HTML: Evolution and Trends in Web DesignThe Future of HTML: Evolution and Trends in Web DesignApr 17, 2025 am 12:12 AM

The future of HTML is full of infinite possibilities. 1) New features and standards will include more semantic tags and the popularity of WebComponents. 2) The web design trend will continue to develop towards responsive and accessible design. 3) Performance optimization will improve the user experience through responsive image loading and lazy loading technologies.

HTML vs. CSS vs. JavaScript: A Comparative OverviewHTML vs. CSS vs. JavaScript: A Comparative OverviewApr 16, 2025 am 12:04 AM

The roles of HTML, CSS and JavaScript in web development are: HTML is responsible for content structure, CSS is responsible for style, and JavaScript is responsible for dynamic behavior. 1. HTML defines the web page structure and content through tags to ensure semantics. 2. CSS controls the web page style through selectors and attributes to make it beautiful and easy to read. 3. JavaScript controls web page behavior through scripts to achieve dynamic and interactive functions.

HTML: Is It a Programming Language or Something Else?HTML: Is It a Programming Language or Something Else?Apr 15, 2025 am 12:13 AM

HTMLisnotaprogramminglanguage;itisamarkuplanguage.1)HTMLstructuresandformatswebcontentusingtags.2)ItworkswithCSSforstylingandJavaScriptforinteractivity,enhancingwebdevelopment.

HTML: Building the Structure of Web PagesHTML: Building the Structure of Web PagesApr 14, 2025 am 12:14 AM

HTML is the cornerstone of building web page structure. 1. HTML defines the content structure and semantics, and uses, etc. tags. 2. Provide semantic markers, such as, etc., to improve SEO effect. 3. To realize user interaction through tags, pay attention to form verification. 4. Use advanced elements such as, combined with JavaScript to achieve dynamic effects. 5. Common errors include unclosed labels and unquoted attribute values, and verification tools are required. 6. Optimization strategies include reducing HTTP requests, compressing HTML, using semantic tags, etc.

From Text to Websites: The Power of HTMLFrom Text to Websites: The Power of HTMLApr 13, 2025 am 12:07 AM

HTML is a language used to build web pages, defining web page structure and content through tags and attributes. 1) HTML organizes document structure through tags, such as,. 2) The browser parses HTML to build the DOM and renders the web page. 3) New features of HTML5, such as, enhance multimedia functions. 4) Common errors include unclosed labels and unquoted attribute values. 5) Optimization suggestions include using semantic tags and reducing file size.

Understanding HTML, CSS, and JavaScript: A Beginner's GuideUnderstanding HTML, CSS, and JavaScript: A Beginner's GuideApr 12, 2025 am 12:02 AM

WebdevelopmentreliesonHTML,CSS,andJavaScript:1)HTMLstructurescontent,2)CSSstylesit,and3)JavaScriptaddsinteractivity,formingthebasisofmodernwebexperiences.

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 Tools

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

SAP NetWeaver Server Adapter for Eclipse

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Atom editor mac version download

Atom editor mac version download

The most popular open source editor