JSFiddle - React, Tailwind, and code Playground

by Jesse Donat

HTML

<div id="foo">
</div>

JavaScript

let output = document.getElementById("foo")

document.addEventListener('visibilitychange', function() {
	output.textContent += "viz\n";
});

window.addEventListener('focus', function() {
	output.textContent += "focus\n";
});

window.addEventListener('blur', function() {
	output.textContent += "blur\n";
});