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✅
You can use scale overwriting:
new Chart(cnv.getContext("2d")).Line(data, {
scaleOverride: true,
scaleStartValue: 4,
scaleStepWidth: 1,
scaleSteps: 4,
});
This will produce 4,5,6,7,8
Y axis (Please note, you have to implement start point and steps number/width calculation)
Source:stackexchange.com