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The principle and implementation of writing pure CSS pop-up menu By shawl.qiu
Abstract:
This article introduces the use of CSS to write multi-style pop-up menus suitable for Opera, Firefox, and IE
## #Description:
The key point of writing a CSS pop-up menu is to display the hidden label when the mouse moves over the target.
The label to be hidden is hidden using the display:none; attribute.
Trigger display Hidden tags mainly use the :hover attribute, and use display:block; to display hidden tags.
But because browsers do not support CSS consistently.
For Opera or Firefox, we can write a pure CSS menu , they support the :hover attribute of any tag.
For IE browser, :hover only works on the a tag, but we can use the script's onmouseover, onmouseout to simulate the :hover attribute of other tags.
Therefore Writing a CSS pop-up menu suitable for IE requires the use of a few scripts.
Directory:
1. Writing a CSS pop-up menu on the right side of the vertical row.
1.1 Really based on Opera, Firefox pure CSS Pop-up menu
1.2 Compatible with IE, Opera, Firefox CSS pop-up menu (script implementation)
2. Write a horizontal bottom pop-up CSS menu.
2.1 Real pure CSS pop-up based on Opera, Firefox Menu
2.2 Compatible with IE, Opera, Firefox CSS pop-up menu (script implementation)
3. Conclusion
4. Preview
shawl.qiu
2006 -10-01
http://blog.csdn.net/btbtd
1. Write a CSS menu that pops up on the right side of the vertical row.
1.1 True Based on Opera, Firefox pure CSS popup menu
- linenum
LI>"
- http://www.w3.org/TR/html4/loose.dtd">
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Untitled Document -
1.2 兼容 IE, Opera, Firefox 的 CSS 弹出菜单(脚本实现)
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linenum
- nbsp;HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
- " http://www.w3.org/TR/html4/loose.dtd">
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Untitled Document -
2. 编写横排底部弹出的 CSS 菜单.
2.1 真正的基于 Opera, Firefox 纯 CSS 弹出菜单
-
linenum
- HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
- " http://www.w3.org/TR/html4/loose.dtd">
-
Untitled Document -
2.2 兼容 IE, Opera, Firefox 的 CSS 弹出菜单(脚本实现)
-
linenum
- HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
- " http://www.w3.org/TR/html4/loose.dtd">
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Untitled Document -
3. Conclusion
As can be seen from the above example, if a usable CSS pop-up menu example has been written, then the pop-up position must be written in other If you have local CSS pop-up menu, you only need to modify it slightly.
4. Preview
4.1 1.2 Preview of CSS pop-up menu (script implementation) compatible with IE, Opera, and Firefox# ##
- /**/

在css中,可用list-style-type属性来去掉ul的圆点标记,语法为“ul{list-style-type:none}”;list-style-type属性可设置列表项标记的类型,当值为“none”可不定义标记,也可去除已有标记。

区别是:css是层叠样式表单,是将样式信息与网页内容分离的一种标记语言,主要用来设计网页的样式,还可以对网页各元素进行格式化;xml是可扩展标记语言,是一种数据存储语言,用于使用简单的标记描述数据,将文档分成许多部件并对这些部件加以标识。

在css中,可以利用cursor属性实现鼠标隐藏效果,该属性用于定义鼠标指针放在一个元素边界范围内时所用的光标形状,当属性值设置为none时,就可以实现鼠标隐藏效果,语法为“元素{cursor:none}”。

转换方法:1、给英文元素添加“text-transform: uppercase;”样式,可将所有的英文字母都变成大写;2、给英文元素添加“text-transform:capitalize;”样式,可将英文文本中每个单词的首字母变为大写。

在css中,rtl是“right-to-left”的缩写,是从右往左的意思,指的是内联内容从右往左依次排布,是direction属性的一个属性值;该属性规定了文本的方向和书写方向,语法为“元素{direction:rtl}”。

在css中,可以利用“font-style”属性设置i元素不是斜体样式,该属性用于指定文本的字体样式,当属性值设置为“normal”时,会显示元素的标准字体样式,语法为“i元素{font-style:normal}”。

在css3中,可以用“transform-origin”属性设置rotate的旋转中心点,该属性可更改转换元素的位置,第一个参数设置x轴的旋转位置,第二个参数设置y轴旋转位置,语法为“transform-origin:x轴位置 y轴位置”。


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