JSFiddle - React, Tailwind, and code Playground

HTML

<div id="txt">Lorem Ipsum</div>
<br />
<button id="test">Download text as file !</button>

JavaScript

function download_txt() {
  var textToSave = document.getElementById('txt').innerHTML;
  var hiddenElement = document.createElement('a');

  hiddenElement.href = 'data:attachment/text,' + encodeURI(textToSave);
  hiddenElement.target = '_blank';
  hiddenElement.download = 'myFile.txt';
  hiddenElement.click();
}

document.getElementById('test').addEventListener('click', download_txt);