JSFiddle - React, Tailwind, and code Playground

HTML

<div id="abc_1"></div>
<div id="abc_2"></div>
<div id="xyz_3"></div>
<div id="xyz_4"></div>

JavaScript

var abc = $('div[id^=abc]');
var txt="";
$(abc).each(function(index,element){
    txt = element.id + txt;
});
document.body.innerHTML = txt