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Detailed explanation of javascript making web pages compatible with various browsers
Detailed explanation of javascript making web pages compatible with various browsers
This article mainly introduces relevant information about web pages developed by JavaScript that are compatible with various browsers. Here are several methods to help you master such functions. Friends in need can refer to them. I hope it can help everyone.
Foreword:
It is a commonplace issue that CSS is compatible with various browsers. There are tutorials all over the Internet. The following content is not too novel. It is purely a personal summary. I hope it can It is helpful to beginners.
1. CSS HACK
The following two methods can solve almost all HACK today.
1, !important
With IE7's support for !important, the !important method is now only for IE6's HACK. (Pay attention to the writing. Remember that the declaration position needs to be in advance.)
<style>
#wrapper
{
width: 100px!important;
width: 80px;
}
</style>2, IE6/IE77 For FireFox
*+html and *html are IE-specific tags, which are not supported by Firefox. And *+html is a IE7-specific tag.
<style>
#wrapper
{
#wrapper { width: 120px; }
*html #wrapper { width: 80px;}
*+html #wrapper { width: 60px;}
}
</style>Note:
*+html 对IE7的HACK 必须保证HTML顶部有如下声明： <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
2. Universal float closure (very important!)
For the principle of clear float, please refer to [How To Clear Floats Without Structural Markup]
Replace the following Add the code to Global CSS and add class="clearfix" to the p that needs to be closed. It has been tried and tested.
<style>
.clearfix:after
{
content:".";
display:block;
height:0;
clear:both;
visibility:hidden;
}
.clearfix
{
display:inline-block;
}
.clearfix {display:block;}
</style>3. Other compatibility techniques (again)
1, Setting padding on p under FF will cause the width and height to increase, but IE will not. (can be solved with !important)
2, centering problem.
1) .Vertically centered. Set line-height to the same height as the current p, and then pass vertical-align: middle.(Be careful not to wrap the content.)
2).Horizontally centered. margin: 0 auto;(Of course it is not omnipotent)
3, If you need to add styles to the content in the a tag, you need to set display: block; (commonly found in navigation tags)
4, FF and IE have BOX The difference in understanding leads to a difference of 2px, as well as problems such as doubling the margin of p set to float in IE.
5, the ul tag has list-style and padding by default under FF. It is best to declare it in advance , to avoid unnecessary trouble. (Common in navigation tags and content lists)
6. As the external wrapper p, do not set a fixed height. It is best to add overflow: hidden. to achieve the height. Adaptive.
7, Regarding the hand cursor. cursor: pointer. And hand is only applicable to IE.
P.S As for IE5 and other browsers, there is no need to take into account both. Here It’s not worth spending time on it.
Related recommendations:
div + css design how to make your web page compatible with various browsers_html/css_WEB-ITnose
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