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Uncompress the about: blank in the IE Address Bar

Source: Internet
Author: User
Tags uncompress
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Uncompress the about: blank in the IE Address Bar

 
[Abstract]

When you open a new ie window, the URL of IE is always about: blank. We know that the left side of ':' (colon) in the URL is the protocol, such as ftp: or http :. About is also a protocol. So what's the purpose? Don't underestimate it.

About: blank indicates an empty window on the right. If it is other content, it indicates the webpage content. For example:

<HTML>
<Head>
<Title> untitled document </title>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312">
</Head>
<Body bgcolor = "# ffffff">
<! -- Note: There are no double quotation marks after href. To add it, % 22 is required. -->
<A href = "about: <a href = http://www.webdn.com/> every day new website </a>" target = "_ blank"> click here to open the new about page </a>
</A>
</Body>
</Html>

The content of the new webpage is:
<HTML> <a href = "about: <a href = http://www.webdn.com/> website every day </a> "target =" _ blank "> click here to enter the new page </a>

In this way, you can write content to the new window without using JavaScript.

About: this function is more than that. Some netizens on the personal homepage must have some deep experiences. Some websites do URL filtering (for example, Netease And yitang). They are not allowed to link their server content from other sites and use about: the generated page can avoid URL check. For example:

<HTML>
<Head>
<Title> untitled document </title>
<Meta http-equiv = "Content-Type" content = "text/html; charset = gb2312">
</Head>
<Body bgcolor = "# ffffff">
<! -- Note: There are no double quotation marks after href. To add it, % 22 is required. -->
<A href = "about: <a href = http://xxx.xxxxx.com/xxx.zip> click here to download </a>" target = "_ blank"> click here to go to the download page </a>
</Body>
</Html>
 

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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