indexLabelFontWeight: Number

Sets the Index Label’s Font Weight. It can be set to one of the below options.

Default: “normal”
Example: “lighter”, “normal” ,”bold” , “bolder”

var  chart =  new  CanvasJS.Chart("container",
 data: [{
  indexLabelFontWeight: "bold",


Try it Yourself by Editing the Code below.

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