JSFiddle - React, Tailwind, and code Playground

HTML

<a href='#' onclick="showNotes('hi there','143');"><small>Show Notes</small></a>
<div id="notebox"></div>

JavaScript

function showNotes(notes,id) {
    //var notes = '<form action="editnotes.php" method="post"><textarea>'+notes+'</textarea><input type="hidden" name="id" value="'+id+'"><input type="submit" name="submit" value="Save Notes"></form>';
    var target = 'notebox';
    alert(id);
    document.getElementById(target).innerHTML = notes;
    return false; 
}