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I build web app(chartjs,chartjs-plugin-streaming) with tauri. In this case, My unbuntu version is 18. It's okay in any broswer environment, so it's strange.(tauri use webkit like safari broswer).
But all the ohter js libs like react,three,mathjs,etc are totally work fine. it doesn't make sense cause tauri just use webkit.
same situation. 
it works! thx.