Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

Ce site disposera de fonctionnalités limitées pendant que nous effectuons des opérations de maintenance en vue de vous proposer un meilleur service. Si un article ne règle pas votre problème et que vous souhaitez poser une question, notre communauté d’assistance est prête à vous répondre via @FirefoxSupport sur Twitter, et /r/firefox sur Reddit.

Avatar for Username

Rechercher dans l’assistance

Évitez les escroqueries à l’assistance. Nous ne vous demanderons jamais d’appeler ou d’envoyer un SMS à un numéro de téléphone ou de partager des informations personnelles. Veuillez signaler toute activité suspecte en utilisant l’option « Signaler un abus ».

En savoir plus

Ce sujet de discussion a été archivé. Veuillez poser une nouvelle question si vous avez besoin d’aide.

GIF animation is reset when a new image is added to the page.

  • 1 réponse
  • 1 a ce problème
  • 7 vues
  • Dernière réponse par cor-el

0050
0050
more options

Hello! Short story: I recently discovered that adding a new GIF image to a page resets the animations of existing GIF images on the page with the same src.

Expected behavior: Adding a new GIF image to the page should not reset the animation of existing images with same src.

Actual result: Adding a new GIF image to the page resets the animation of all existing GIF images on the page with same src.

Code with example: https://codesandbox.io/s/heuristic-platform-jsguir Video demo: https://www.youtube.com/watch?v=k-ZMrrqq_KI

Simplified version of the code showing unexpected behavior: https://codesandbox.io/s/elastic-shtern-vwrcx1

Does anyone know why this is happening? Is this a bug?

Browser: Firefox Developer Edition 102.0b4 (64-bit) OS: Windows 11

Hello! '''Short story''': I recently discovered that adding a new GIF image to a page resets the animations of existing GIF images on the page with the same src. '''Expected behavior''': Adding a new GIF image to the page should not reset the animation of existing images with same src. '''Actual result''': Adding a new GIF image to the page resets the animation of all existing GIF images on the page with same src. Code with example: https://codesandbox.io/s/heuristic-platform-jsguir Video demo: https://www.youtube.com/watch?v=k-ZMrrqq_KI Simplified version of the code showing unexpected behavior: https://codesandbox.io/s/elastic-shtern-vwrcx1 Does anyone know why this is happening? Is this a bug? '''Browser''': Firefox Developer Edition 102.0b4 (64-bit) '''OS''': Windows 11

Toutes les réponses (1)

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

I think that all GIF image animations use the same code and that they are somehow synchronous (i.e. use the same frame timings). It is possible that loading a new GIF image resets this code and causes it to restart all GIF animations. In that case there is not much you can do about this.