JSFiddle - React, Tailwind, and code Playground

JavaScript

var link = document.createElement("a");
link.href = "http://stackoverflow.com";

var img = document.createElement("img");
img.title="Hello";
img.alt="alt Hello";
img.src="http://jsfiddle.net/img/sprites.png";
link.appendChild(img);
document.body.appendChild(link);

alert(img.getAttribute("alt"));
alert(img.getAttribute("title"));