JSFiddle - React, Tailwind, and code Playground

by techiedelight

JavaScript

var url = 'https://secure.gravatar.com/avatar?d=wavatar';

window.addEventListener("load", event => {
  var image = new Image();
  image.src = url;

  image.addEventListener('load', () => alert('success'));
  image.addEventListener('error', () => alert('failure'));
});