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Testing and Issues

You can test this app and submit issues during the testing period of the JavaScript Chart contest.

Entries with serious issues will not be able to win the contest, but even minor issues might be important for overall results.


by rating


Fair Mammoth May 8, 2019 at 11:33
— Overall performance is below average.

— The graphs jitter on launch.
— The app is slow when filtering and scaling.
— Sometimes all the graphs are broken on Samsung J7 (2017), Android 8.1.0
iPhone 5S, iOS 12.1; Samsung J7 (2017), Android 8.1.0
Some strange behavior of the timeline (navigator) magnifier dragging and resizing when moving / resizing past the extreme right/left position.

Also I notice that there are some console log messages for clicking buttons. Probably should be ignored - it doesn't actually effect the functionality.

The values in the tooltips appear only after a while, so when you mousemove or touchmove through the chart preview - the tooltip displays the date and values appear only after the move stops.

In general the work is not bad - mostly follows the design guidelines. Even though there are no bonus tasks, I disagree that it should have received so many down-votes.
Chrome 73
Stone Parrot Apr 22, 2019 at 07:10
Thanks! As about values appearance - I've decide to make this animation effect when there are more than 2 values. I think, it looks better than simultaneously changing many numbers that looks little annoying.
Access Forbidden
Chrome Desktop Browser
Stone Parrot Apr 19, 2019 at 13:59
Try now, it works.
Error 404 for script file from `dist` directory.
Safari Desktop Browser
share direct link in reply like this i ll review and leave issues
No good performance no es5 support and nope bonus goals but text change animations is beautifull
Xiaomi mi3/default browser
Stone Parrot Apr 18, 2019 at 14:24
Nobody added any issues yet...