JSFiddle - React, Tailwind, and code Playground
by abdennour
HTML
[<span id="out"></span>]JavaScript
n=5;
array=Array.from({length:50},(v,k)=>k*10);
// [0,10,20,30,...,490]
var shuffled = array.sort(function(){return .5 - Math.random()});
var selected=shuffled.slice(0,n);
$('#out').html(selected.toString());