cornerRadius: Number

To display rounded borders around the title, set the cornerRadius of title. Higher the value, more rounded are the corners.

Default: 0
Options: 5,8 ..

  • Corner Radius works when border thickness is set to value greater than zero or background color is applied.

var  chart =  new  CanvasJS.Chart("container",
  cornerRadius: 4,

Try it Yourself by Editing the Code below.

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