Changes the alt text to hover text on SE sites
// ==UserScript==
// @name Alt To Hover
// @author AstroCB
// @description Changes the alt text to hover text on SE sites
// @version 1.2
// @namespace https://github.com/AstroCB
// @include http://*.stackexchange.com/questions/*
// @include http://stackoverflow.com/questions/*
// @include http://meta.stackoverflow.com/questions/*
// @include http://serverfault.com/questions/*
// @include http://meta.serverfault.com/questions/*
// @include http://superuser.com/questions/*
// @include http://meta.superuser.com/questions/*
// @include http://askubuntu.com/questions/*
// @include http://meta.askubuntu.com/questions/*
// @include http://stackapps.com/questions/*
// @include http://*.stackexchange.com/posts/*
// @include http://stackoverflow.com/posts/*
// @include http://meta.stackoverflow.com/posts/*
// @include http://serverfault.com/posts/*
// @include http://meta.serverfault.com/posts/*
// @include http://superuser.com/posts/*
// @include http://meta.superuser.com/posts/*
// @include http://askubuntu.com/posts/*
// @include http://meta.askubuntu.com/posts/*
// @include http://stackapps.com/posts/*
// @exclude http://*.stackexchange.com/questions/tagged/*
// @exclude http://stackoverflow.com/questions/tagged/*
// @exclude http://meta.stackoverflow.com/questions/tagged/*
// @exclude http://serverfault.com/questions/tagged/*
// @exclude http://meta.serverfault.com/questions/*
// @exclude http://superuser.com/questions/tagged/*
// @exclude http://meta.superuser.com/questions/tagged/*
// @exclude http://askubuntu.com/questions/tagged/*
// @exclude http://meta.askubuntu.com/questions/tagged/*
// @exclude http://stackapps.com/questions/tagged/*
// ==/UserScript==
window.onload = function () {
var images = document.getElementsByTagName("img");
for (var i = 0; i < images.length; i++) {
if (images[i].alt && !images[i].title && images[i].alt !== "enter image description here") {
images[i].title = images[i].alt;
}
}
};