User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:33.0) Gecko/20100101 Firefox/33.0 (Beta/Release) Build ID: 20140625030206 Steps to reproduce: 1. Go to http://jsbin.com/lukugive/3/edit?js,output 2. Observe spinner firing (briefly) every time a new iframe is inserted Actual results: Loading spinner fires Expected results: No spinner should fire when an empty iframe is inserted. It seems unnecessary to cause a spinner in this circumstance. This issue affects Chrome as well (http://crbug.com/387251), but not Safari or IE.
Reproduced on 33.0a1 2014-06-29 Nightly under Win 7 64-bit.
Status: UNCONFIRMED → NEW
Component: Untriaged → Layout: HTML Frames
Ever confirmed: true
OS: Mac OS X → All
Product: Firefox → Core
Hardware: x86 → All
This is a pure UI issue, no? Empty iframes do perform an async about:blank load, so they do send progress notifications; what the UI wants to do with them is up to the UI.
Component: Layout: HTML Frames → General
Product: Core → Firefox
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