JSFiddle - React, Tailwind, and code Playground

by Dream Mkker

JavaScript

var img = new Image();
img.onerror = function() {alert("image isn't exist!");};
img.onload = function(){alert("image is exist!");};
img.src = "https://www.google.com.tw/logos/doodles/2015/first-day-of-fall-2015-northern-hemisphere-6003706315145216-hp.gif";