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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2020/08/26 23:03:41 UTC

[GitHub] [incubator-echarts] hoshmn opened a new issue #13196: Scrolling to zoom on Firefox also scrolls page

hoshmn opened a new issue #13196:
URL: https://github.com/apache/incubator-echarts/issues/13196


   ### Version
   4.3.0
   
   ### Reproduction link
   [https://jsfiddle.net/tkgey87n/](https://jsfiddle.net/tkgey87n/)
   
   ### Steps to reproduce
   Open the fiddle _in Firefox_. Use your trackpad (/mousewheel) scroll to zoom the graph chart. 
   
   ### What is expected?
   The page doesn't scroll (on Chrome it doesn't).
   
   ### What is actually happening?
   The page scrolls in addition to the chart zooming.
   
   ---
   Would be great if Echarts handled this internally, as it does for Chrome. If the graphRoam event included a preventDefault method for the initial scroll event, though, it could at least be solved from my end -- but then it could not be a passive event listener, so maybe preventDefault would only be included if the user indicated through a flag. (But at that point, the flag might as well just tell Echarts to preventDefault on the scroll event internally :) ) Then again, maybe I'm wrong and this has nothing to do with passive event listeners and there's another solution.
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   <!-- This issue is in English. DO NOT REMOVE -->


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[GitHub] [incubator-echarts] hoshmn commented on issue #13196: Scrolling to zoom on Firefox also scrolls page

Posted by GitBox <gi...@apache.org>.
hoshmn commented on issue #13196:
URL: https://github.com/apache/incubator-echarts/issues/13196#issuecomment-684919766


   This is an issue on 4.9 as well (updated the description), and also an issue for other chart types (see [line chart example](unpkg.com/echarts/dist/echarts.min.js)). I imagine others _must_ be running into this issue, but I'm not finding a workaround online. Please fix or advise 🙏


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[GitHub] [incubator-echarts] hoshmn edited a comment on issue #13196: Scrolling to zoom on Firefox also scrolls page

Posted by GitBox <gi...@apache.org>.
hoshmn edited a comment on issue #13196:
URL: https://github.com/apache/incubator-echarts/issues/13196#issuecomment-684919766


   This is an issue on 4.9 as well (updated the description), and also an issue for other chart types (see [line chart example](https://jsfiddle.net/alphalpha/otqgw6e0/2/)). I imagine others _must_ be running into this issue, but I'm not finding a workaround online. Please fix or advise 🙏


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[GitHub] [incubator-echarts] echarts-bot[bot] commented on issue #13196: Scrolling to zoom on Firefox also scrolls page

Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #13196:
URL: https://github.com/apache/incubator-echarts/issues/13196#issuecomment-681167557


   Hi! We've received your issue and please be patient to get responded. 🎉
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   In the meanwhile, please make sure that **you have posted enough image to demo your request**. You may also check out the [API](http://echarts.apache.org/api.html) and [chart option](http://echarts.apache.org/option.html) to get the answer.
   
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