background?

The background color of the labels. Accepts a valid CSS color string, including hex and rgb.

border?

The border of the labels.

color?

The text color of the labels. Accepts a valid CSS color string, including hex and rgb.

content?

The function which returns the label content. The function argument contains avalue field. It defines the axis value. You can split the text into multiple lines by using the line feed characters ("\n").

The available fields in the function argument are:

• value—The category value.
• format—The default format of the label.
• text—The default label text.
• index—The index of the label.
• count—The total number of rendered labels.

culture?

The culture to use when formatting date values. The specified culture must be loaded as demonstrated in theInternationalization Overview.

dateFormats?

The format for displaying the labels when the X values are dates. Uses theformat method of IntlService. Contains one placeholder ("{0}") which represents the category value. The Chart selects the appropriate format for the currentxAxis.baseUnit. Setting thecategoryAxis.labels.format option overrides the date formats.

font?

The font style of the labels.

format?

The format for displaying the labels. Uses theformat method of IntlService. Contains one placeholder ("{0}") which represents the category value.

margin?

The margin of the labels. A numeric value sets all margins.

mirror?

If set totrue, the Chart mirrors the axis labels and ticks. If the labels are normally on the left side of the axis, the mirroring of the axis renders them to the right.

padding?

The padding of the labels. A numeric value sets all paddings.

rotation?

The rotation angle of the labels. By default, the labels are not rotated. Can be set to"auto". In this case, the labels are rotated only if the slot size is not sufficient for the entire labels.

skip?

The number of labels to skip.

step?

The label rendering step—renders every n^th label. By default, every label is rendered.

visible?

If set totrue, the Chart displays the X-axis labels. By default, the X-axis labels are visible.

visual?

A function for creating custom visuals for the labels.

The available argument fields are:

• createVisual—A function that can be used to get the default visual.
• culture—The default culture (if set) of the label.
• format—The default format of the label.
• options—The label options.
• rect—The geometryRect that defines where the visual has to be rendered.
• sender—The Chart instance (might beundefined).
• text—The label text.
• value—The category value.