html - Has anyone seen this bug in chrome, using background gifs? -


in chrome 35 running on mavericks, while using animated gif background, gif animates while user scrolling, it's strange, happens if background fixed, , after first element gif background

here demo placed in codepen

i believe not bug rather way google chrome made.

firefox , other browsers have ways stop gif's animating while chrome doesn't (unless use extensions.)

here feature in firefox changing settings of animated gifs:

  • open firefox , type about:config in address bar press enter. click “i’ll careful promise” warning button reveal long list of preferences.
  • look entry image.animation_mode (its default value should normal).
  • double click entry , set value none disable image animation.
  • double click entry , set value once instead make gif images animate once.

however, in chrome, there no menu option disable animations. when using chrome's extensions disable gif extensions, as scroll up/down page animations play once whilst new screenshot overlaid.


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