Detailed explanation of iframe tag usage
iframe is generally used to include other pages. For example, we can load the content of other people's websites on our own website pages. For better results, we may need to make the iframe transparent, so we need to know more iframe attributes. Here is a simple arrangement for the convenience of friends who need it
1. iframe definition and usage
The iframe element will create an inline frame that contains another document (i.e. inline frame ).
Differences between HTML and XHTML
In HTML 4.1 Strict DTD and XHTML 1.0 Strict DTD, the iframe element is not supported.
Tips and Notes:
Tip: You can place the required text between to cope with the problem Browsers that understand iframes.
iframe tags appear in pairs, starting with
The content in the iframe tag can be displayed when the browser does not support the iframe tag
Attributes
Attributes | Value | Description | DTD |
---|---|---|---|
align |
|
Dislike use. Please use styles instead. Specifies how this frame is aligned relative to surrounding elements. |
TF |
|
TF | ||
| TFlongdesc | ||
URL | # Specifies a page that contains information about the iframe Longer description. | TF||
pixels | Define the top of the iframe and bottom margin. | TFmarginwidth | |
pixels | Define the left and right margins of the iframe . | TFname | |
frame_name | Specifies the name of the iframe. | TFscrolling | |
yes
| TFsrc | ||
URL | Specifies the URL of the document displayed in the iframe. | TFwidth | |
##pixels
|
The code is as follows:
Use pixels to define the iframe frame size The code is as follows:
Use percentage to define iframe frame size The code is as follows: iframe is used as a last resort , because using iframes will cause more problems, and some browsers can be set to block iframes as ads. The code is as follows:
5. Sometimes we need to consider whether the user's browser supports the iframe tag, then we need to do the following The writing method The code is as follows:
|
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