JSFiddle - React, Tailwind, and code Playground

HTML

<div class="unsorted">
    <div rel="5"> 
      Div 5 here 
    </div> 
    <div rel="3"> 
       Div 3 Here 
    </div> 
     <div rel="4.5"> 
       Div 4.5 here 
    </div>
    <div rel="4">
      Div 4 Here
     </div> </div>
<div class="sorted"></div>

JavaScript

$(document).ready(function () {
    var sortedDivs = $(".unsorted").find("div").toArray().sort(sorter);
    $.each(sortedDivs, function (index, value) {
        $(".sorted").append(value);
    });
});

function sorter(a, b) {
    return a.getAttribute('rel') - b.getAttribute('rel');
};