JSFiddle - React, Tailwind, and code Playground

HTML

<div class="someDiv">fgh</div>
<div class="someDiv">fgh</div>
<div class="someDiv">fgh</div>
<div class="someDiv">fgh</div>
<div class="someDiv">fh</div>
<div class="someDiv">fgh</div>
<div class="someDiv">fgh</div>
<div class="someDiv">fgh</div>
<div class="someDiv">fgh</div>
<div class="someDiv">fgh</div>

JavaScript

$(document).ready(function(){
    var r1 = (Math.random()*10);
    var r2 = (Math.random()*10);    
    var allDiv = $('.someDiv');    
    $(allDiv[parseInt(r1)]).css({'display':'block'});
    $(allDiv[parseInt(r2)]).css({'display':'block'});
});