html conditional statement

Introduction to Conditional annotationsThe conditional annotation in 1.IE (Conditional comments) has excellent distinguishing ability between IE version and IE non ie, and is a common hack method in Web design. 2. Conditional annotations can only be

Conditional comments work as follows: Copy codeThe Code is as follows: Special instructions for IE 6 here [Code] Their basic structure is the same as an HTML comment (). Therefore all other browsers will see them as normal comments and will

Conditional comments work as follows: Copy Code code as follows: special instructions for IE 6 here [Code] Their basic structure is the same as a HTML comment (). Therefore all other browsers would you them as normal comments and

1 DOCTYPE HTML>2 HTML>3 Head>4 MetaCharSet= "UTF-8">5 title>title>6 Scripttype= "Text/javascript">7 /*8 * Conditional branching statements are also called Switch statements9 * Syntax:Ten * SWITCH (conditional

The conditional annotations (Conditional comments) for IE are designed specifically for IE browsers, which are not recognized by other browsers at all. Use conditional comments to differentiate between code that writes CSS for browsers.-->However,

I have learned C language and C ++ for three years, but I still don't know much about Conditional compilation commands. I can see some excellent source code on the Linux platform, such as uC/OS-II used a lot of compilation instructions, MFC also

The common form of HTML annotations is -and IE5~IE9 these 5 versions of IE browser also support a special if condition comment (feel a bit like the syntax structure when template rendering) [if ie]> HTML statement -This way, when dealing with IE

First, the basic articleJavascriptBrowser-based ( client-side), object-based {No inheritance}, event-driven (object-oriented), scripting language (flexible)2. UseValidation of forms to relieve pressure on the service sideAdd a page animation

Php process control statement. Php process control statements conditional control statements and cyclic control statements are two basic syntax structures. They are all used to control the program execution process and constitute the main syntax

In addition to IE can be recognized all IE recognizable only IE6 recognizable IE6 and IE6 The following versions are recognized IE6 and IE6 above are recognized only IE7 recognizable IE7 and IE7 The following versions are recognized IE7 and