@prabhjot,
labelFormatter is a custom function whereas suffix is a property within the axis object. Using the labelFormatter as:
axisY:{
labelFormatter: function ( e ) {
return e.value + "K";
}
}
should work fine in your case. You could also use suffix property within the axis to achieve the same. Please have a look at suffix.
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Suyash Singh
Team CanvasJS
