JSFiddle - React, Tailwind, and code Playground

HTML

<div id="wrap">
    <div id="c1">1</div>
    <div id="c2">2</div>
    <div id="c2">3</div>
</div>
<button>here</button>

JavaScript

$(function(){
    $('button').click(function(){
        $("#wrap").children('div').each(function(){
        	$(this).removeAttr('id');
        });
        alert($("#wrap").html());
    });
});