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Bug 27551 - fallback for user agents don't support image-set
Summary: fallback for user agents don't support image-set
Status: RESOLVED NEEDSINFO
Alias: None
Product: WHATWG
Classification: Unclassified
Component: HTML (show other bugs)
Version: unspecified
Hardware: Other other
: P3 normal
Target Milestone: Unsorted
Assignee: Simon Pieters
QA Contact:
URL: https://html.spec.whatwg.org/#toc-sem...
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2014-12-10 03:42 UTC by contributor
Modified: 2015-09-16 12:44 UTC (History)
3 users (show)

See Also:

Attachments

Description contributor 2014-12-10 03:42:59 UTC 
Specification: https://html.spec.whatwg.org/multipage/semantics.html
Multipage: https://html.spec.whatwg.org/multipage/#toc-semantics
Complete: https://html.spec.whatwg.org/#toc-semantics
Referrer: https://html.spec.whatwg.org/multipage/embedded-content.html

Comment:
fallback for user agents don't support image-set

Posted from: 125.70.57.17
User agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36
Comment 1 Simon Pieters 2014-12-10 10:56:51 UTC 
Can you elaborate?

image-set is a CSS feature. You can provide a fallback by using the relevant property twice, as in:

background-image:url(...); background-image:image-set(...);

HTML has <img srcset src> where src is the fallback.