Documentation Is:

• Missing or needed
• Confusing
• Not Sure?

Please Explain in Detail...

I needed to produce a number of charts with a consistent yAxes logarithmic scale so that users can compare between charts.

I tried setting the same yAxes config settings for each chart:

beginAtZero: true
ticks.min: 0
ticks.max: <maximum-possible-data-value>

However the scale varied between charts depending on the data values. See example.

After much searching and trial and error it appears that the ticks.min=0 setting is ignored (probably because the logarithm of zero is not defined).

Your Proposal for Changes

In tick Configuration (https://www.chartjs.org/docs/latest/axes/cartesian/#tick-configuration) for 'min' description add a note such as:

(Note: logarithmic scales do not support minimum value of zero)

Example

https://codepen.io/phil-howell/pen/KKdvoKW