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<noframes> Label
Definitions and usage
The <noframes> tab displays prompt text to the browser that cannot process the frame. The noframes element is located in the FRAMESET element.
<noframes> tags are not supported in HTML 5 because of the negative impact of the label on Web usability.
Differences between HTML 4.01 and HTML 5
<noscript> tags in HTML 5
Definitions and usage
The NoScript element is used to define alternative content (text) when the script is not executed.
This label is used for browsers that recognize <script> label but cannot support scripts in it.
Differences between HTML 4.01 and HTML 5
No.
Tips and comments
Wind Network (WWW.ITHOV.OM) Note: If the browser supports scripting, it does not display the text in the NoScript element.
Wind Network (WWW.ITHOV.OM) Note: Browsers that do not recognize <script> tags will display the contents of the label on the page. To prevent the browser from doing so, you should hide the script in the comment label. Older (unrecognized <script> tagged) browsers ignore annotations, so they don't write the contents of the tags on the page, and newer browsers know how to execute them, even if they are surrounded in the comment tags!
Example
JavaScript <body> ... ... <script type= "Text/javascript" > <!-- document.write ("http://www.aliyun.com/zixun/aggregation/1568.html" >hello world!) --> </script> <noscript>your Browser does not support javascript!</noscript> ... ... </body> VBScript <body> ... ... <script type= "Text/vbscript" > <!-- document.write ("Hello world!") '--> </script> <noscript>your Browser does not support vbscript!</noscript> ... ... </body>
Tiy instance
Run in browsers that do not support scripting
This example shows how to deal with browsers that do not support scripting.
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