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The problem is with extra datasets params xAxisID
and yAxisID
.
it seems they’re not set correctly, so when vue-charts tries getting references to those DOM elements, it gets undefined
, thus the error.
You should either remove those params, or add those elements (via options or manually)
Here is a working version of the app
PS: also, if you need to get a random number from the interval [-100, 100], you should use Math.round(Math.random() * 200) - 100
.
In your version, it always returns either 1, or 0 (because Math.random takes no parameters and always returns a value between 1 and 0)
Source:stackexchange.com