score:2

you can hide the axis in your code. just add an angular on-mouseover event and set the display to true/false with negation !condition:

scales: {
    xaxes: [
        {
            display: false
        }
    ],
    yaxes: [
        {
            display: false
        }
    ]
}

score:5

   if you want to remove the x axis and y axis data so to do that you need 
        to use scales and put in bar-chart-demo.ts file and inside export
          class you have to paste like that what  i mentioned below 
             and it worked . 

 public barchartoptions:any = {
  scaleshowverticallines: false,
     animation: false,
     scaledisplay:false,
     responsive: true,

scales: {
   xaxes: [
    {
        display: false
    }
  ],
   yaxes: [
      {
        display: false
    }
]
}


   };``

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