JSFiddle - React, Tailwind, and code Playground

HTML

<p></p>

JavaScript

function uniqueDigits(x){
    y = [],
    z = [];
    while(x > 0) {    
        y.push(x);
        x--;
    } 
    while(y.length > 0){
        var r = Math.floor(Math.random()*y.length);
        var u = y[r]
        y.splice(r, 1);
        z.push(u-1);
    }         
    return z;
}
$('p').html(uniqueDigits(10));