JSFiddle - React, Tailwind, and code Playground

HTML

<div id="source">Source content</div>
<div id="destination">destination content</div>
<input type="button" id="my" name="my" value="click" />

JavaScript

$(function(){
    $('#my').click(function(){
        replaceContent('source','destination');        
    });
});

function replaceContent(source, destination){
    $('#'+destination).html($('#'+source).html());
}