tickThickness: Number

Sets the thickness of the Tick Marks in pixels.

Default: 1
Example: 2, 4.. 
  1. var  chart =  new  CanvasJS.Chart("container",
  2. {
  3.  .
  4.  .
  5.  axisY:{
  6.    tickThickness: 5,
  7.  },
  8.  .
  9.  .
  10. });
  11. chart.render();
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