score:1

Accepted answer

you need the mirror attribute set to true.

mirror attribute is in options => scales => xaxis => ticks => mirror.

public barchartoptions: any = {
    scales: {
        yaxes: [{
            ticks: {
                mirror: false
            }
        }],
        xaxes: [{
            ticks: {
                mirror: true                }
        }],  ....

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