Apple Developer Library symbol expansion behaves poorly on Firefox

Originator:Footpad01
Number:rdar://20596518 Date Originated:17-Apr-2015
Status:Duplicate/17241430 Resolved:
Product:Documentation Product Version:
Classification: Reproducible:Yes
 
Summary:
Been experiencing this issue since Swift was incorporated into the developer documentation on Firefox. When expanding symbols, Firefox will jump to the wrong place on the page. This bug makes using the Apple developer documentation very annoying to use.

Steps to Reproduce:
1. Open latest version of Firefox
2. Navigate to any ADC library like https://developer.apple.com/library/ios/documentation/Accounts/Reference/ACAccountClassRef/index.html
3. Expand several symbols from different sections.

Expected Results:
Every time I expand a symbol, I expect the browser's scroll frame to focus to the top of the expanded symbol.

Actual Results:
When I expand a symbol, it often jumps far above the symbol hundreds of pixels or to near the top of the page.

Version:


Notes:


Configuration:
Verified in Firefox 31.6.0 on OS X 10.10.3, but have been experiencing since introduction of Swift documentation. Also verified since then on Firefox on Ubuntu 12.04.

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