margin

Specifies the distance between the title and surrounding chart elements in pixels.

Type: Number|Object
Default Value: 10

Use the fields of the margin object to set the required values for the left, right, top and bottom title margins separately. If you require title margins to be equal, assign a numeric value to the margin option.

PolarChartMargin ChartJS

bottom

Specifies the distance in pixels between the bottom side of the title and the surrounding chart elements.

Type: Number
Default Value: 10

left

Specifies the distance in pixels between the left side of the title and the surrounding chart elements.

Type: Number
Default Value: 10

right

Specifies the distance between the right side of the title and surrounding chart elements in pixels.

Type: Number
Default Value: 10

top

Specifies the distance between the top side of the title and surrounding chart elements in pixels.

Type: Number
Default Value: 10