Chart.js/docs/axes/cartesian/_common.md

Common options to all cartesian axes

Namespace: options.scales[scaleId]

Name	Type	Default	Description
bounds	string	'ticks'	Determines the scale bounds. more...
position	string		Position of the axis. more...
axis	string		Which type of axis this is. Possible values are: 'x', 'y'. If not set, this is inferred from the first character of the ID which should be 'x' or 'y'.
offset	boolean	false	If true, extra space is added to the both edges and the axis is scaled to fit into the chart area. This is set to true for a bar chart by default.
title	object		Scale title configuration. more...