Makes Twitter alt tags appear as tooltips.
// ==UserScript==
// @name Hovering Bird
// @namespace http://tantusar.github.io
// @include https://twitter.com/*
// @include https://tweetdeck.com/*
// @version 2
// @grant none
// @description Makes Twitter alt tags appear as tooltips.
// ==/UserScript==
var targetNode = document;
var config = { childList: true, subtree: true };
var callback = function(mutationsList) {
document.querySelectorAll("img").forEach(img => {
if(img.alt && img.alt != "Image"){
img.setAttribute("title", img.alt);
}
});
};
var observer = new MutationObserver(callback);
observer.observe(targetNode, config);