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Editorial Team
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Asked: 2026-06-15T14:03:08+00:00

I use HTML 5 LocalStorage to store some HTML that includes images. When I

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I use HTML 5 LocalStorage to store some HTML that includes images. When I pull from that cache using this code:

$('#mydiv').append(localStorage.getItem('html_cache')).fadeIn();

It works the first time fine, no errors. If I hit reload, I get this error:

GET https://pbs.twimg.com/media/A7w5LkHCMAAft1N.jpg:thumb 412 (Precondition Failed)

Clearly something is different on the second page load, but I cannot seem to figure out what. When I inspect the source, it looks exactly the same to me.

I am not familiar with 412 Errors. Any idea’s what is going on here or how I might track it down?

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1 Answer

  1. Editorial Team

    This was an issue on the Twitter side of things. Several people reported it and they eventually fixed it. I am no longer getting the error.

    More info: http://dev.twitter.com/discussions/12747

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