Last modified: 2012-08-13 17:47:44 UTC

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Bug 37610 - Don't use <img> and onmousehover for swapping images
Don't use <img> and onmousehover for swapping images
Status: NEW
Product: MediaWiki extensions
Classification: Unclassified
PageCuration (Other open bugs)
unspecified
All All
: Low trivial (vote)
: Future release
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks:
  Show dependency tree / graph
 
Reported: 2012-06-14 22:45 UTC by Krinkle
Modified: 2012-08-13 17:47 UTC (History)
2 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description Krinkle 2012-06-14 22:45:49 UTC 
The <img> with javascript event is:
* is somewhat slow (event handling, DOM manipulation etc.)
* Causes a short flash on first hover of every icon (the image needs to be downloaded first)
* Make the document larger
* Maybe semantics?


Use CSS instead with background-image and the :hover selector. That fixes all of the above:
* Faster (smaller dom, no event binding, no dom manipulation)
* No blink/flash (you can use @embed to have both icons embedded, less bandwidth, fewer http requests and the hover image will be present at all times).
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