JSFiddle - React, Tailwind, and code Playground

HTML

<div>1</div>
<div>2</div>
<div>3</div>
<div>4</div>
<div>5</div>
<div>6</div>
<div>7</div>

JavaScript

var rnd1, rnd2, rnd3, undef,
    items = $('div');

// Generate our random numbers:
rnd1 = Math.floor(Math.random()*items.length);
while (rnd2 == undef || rnd2 == rnd1)
    rnd2 = Math.floor(Math.random()*items.length);
while (rnd3 == undef || rnd3 == rnd1 || rnd3 == rnd2)
    rnd3 = Math.floor(Math.random()*items.length);

console.log(rnd1, rnd2, rnd3);
//filter our items, only the ones whose index matches one of our randoms:
items.filter(function (index) { 
    return index == rnd1 || index == rnd2 || index == rnd3;
}).remove();