Table of Contents
前面的话
HTML原有属性
accesskey
class
dir
id
lang
style
tabindex
title
HTML5新增属性
contenteditable
contextmenu(没有浏览器支持)
data-*
draggable(IE8-不支持)
dropzone(所有浏览器都不支持)
hidden(IE7-不支持)
spellcheck(IE9-不支持) 
translate(所有浏览器都不支持)
Home Web Front-end HTML Tutorial HTML的16个全局属性_html/css_WEB-ITnose

HTML的16个全局属性_html/css_WEB-ITnose

Jun 24, 2016 am 11:32 AM

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>
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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>
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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

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