JSFiddle - React, Tailwind, and code Playground

HTML

<div id="content">
  Who are you?
</div>
<hr>
<button type="button" id="btn-foo">
  I am Foo
</button>

<button type="button" id="btn-bar">
  I am Bar
</button>

JavaScript

var fooBtn = document.getElementById('btn-foo');
fooBtn.addEventListener('click', function() {
	var content = document.getElementById('content');
  content.innerHTML = 'this is edit';
});

var barBtn = document.getElementById('btn-bar');
barBtn.addEventListener('click', function() {
	var content = document.getElementById('content');
  content.innerHTML = "overview";
});