Created attachment 8756289 [details] ff-hover-bug.html User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.94 Safari/537.36 Steps to reproduce: Have an iFrame with content inside a div, in my case I have an image loaded inside iframe and there are nested iFrames also. The HTML Structure will be <body><div><iframe>Image</iframe></div></body>. Add "mouseover/mouseenter" event listener to the div/iframe/body. On 'mouseover' try changing the overflow property of the 'BODY Element' to 'hidden' and set back to 'auto' on mouseleave. On the next time, when you hover on the div/iframe, mouseover is not getting fired. Actual results: Changing the overflow property of the body element is not firing the mouseover/mouseenter events from the next time Expected results: Whatever change in the css property all the events should get fired. It works in all other browsers like chrome/IE. I have attached a sample page to test.
Olli probably knows what's up here.
I wasn't sure what the test case was supposed to do but bug 1265237 was fixed in the meantime and I think was related. Please re-open if that's not the case.
Status: UNCONFIRMED → RESOLVED
Last Resolved: 6 months ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1265237
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