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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 Quokka May 8, 2019 at 13:47
— Overall poor performance.
— The graphs are blurry.
— Y-scale always starts from zero on the first graph. 
— The app is slow when scaling and scrolling graphs #2, #3 and #5, also sloppy when filtering the third and the fifth graphs.
— Total value is missing for graph #3, long tap not implemented.
Samsung Galaxy J7 (2017), Android 8.1.0; iPhone 5S, iOS 12.1
undefined NaN in tooltip text on all graphs
(check screenshot attached)
CH73, Win
blurry labels, tooltip is displayed behind the screen, no support for landscape mode and long tap
The scrubber borders must be outside
Line charts: no animation when toggle data filters
MBP 2018 15, Chrome, Mojave
Line chart 1Y: not start from min value
MBP 2018 15, Chrome, Mojave
Stacked: no "All" row
MBP 2018 15, Chrome, Mojave
"The Y-scale on line graphs should start with the lowest visible value (Screenshot 4)." - not implemented
There is no "All" field at the bottom of the tooltip
JS_6 screenshot in tasks attachments
Another small issue is that the text of switched off buttons is not centered inside a button. But that doesn't effect any functionality and is very easy to fix. Probably should be ignored.

Not a bad work at all! I wonder why people have put so many dislikes for it. No dislike from me.
Chrome 73
Stacked, bars: wrong select on hover most right bar
MBP 2018 15, Chrome, Mojave
Chart width is same as preview when not whole preview selected. Chart should be wider
MBP 2018 15, Chrome, Mojave
Nobody added any issues yet...