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HTML Standard attribute: challenge

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The HTML challenge attribute indicates that the value of an element should be challenged when submitted. It applies to <keygen> elements. Note: it appears likely that <keygen> elements will be dropped from future versions of HTML so it may be desirable not to use <keygen> elements.

 

Valid attribute values (when used with <keygen> elements) include:

 

Value

Description

challenge

Value of element should be challenged when submitted

 


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