Wikipedia:WikiProject User scripts/Scripts/Unwatch

// This script adds an "unwatch" link to each entry in your watchlist. This version works regardless of whether you have the "Enhanced recent changes" option selected in your user preferences.

addOnloadHook(function () {
    if (window.___location.href.indexOf("Special:Watchlist") == -1) return;

    // look for h4 followed by div/ul
    var headings = document.getElementById('content').getElementsByTagName('h4');

    for (var i = 0; i < headings.length; i++) {
        var div = headings[i].nextSibling;
        while (div && div.nodeType == 3) div = div.nextSibling;  // skip text nodes
        if (!div || !div.tagName) continue;

        if (div.tagName.toLowerCase() == 'div') {  // enhanced recent changes
            // this is all tag soup, we just have to wade through it :-(
            for (var node = div.firstChild; node; node = node.nextSibling) {
                // locate the history link
                if (!node.tagName || node.tagName.toLowerCase() != 'a' || node.href.substring(node.href.length-15) != '&action=history')
                    continue;
                var pagename = node.title;
                var unwatch = document.createElement('a');
                unwatch.href = "/w/index.php?title=Special:Watchlist&action=submit&remove=1&id[]="+encodeURIComponent(pagename);
                unwatch.title = "Unwatch "+pagename;
                unwatch.appendChild(document.createTextNode("unwatch"));
                div.insertBefore(unwatch, node.nextSibling);
                div.insertBefore(document.createTextNode("; "), unwatch);
            }
        }
        else if (div.tagName.toLowerCase() == 'ul') { // unenhanced recent changes
            var items = div.getElementsByTagName('li');
            for (var j = 0; j < items.length; j++) {
                var links = items[j].getElementsByTagName('a');
                var pagename = links[0].title;
                var unwatch = document.createElement('a');
                unwatch.href = "/w/index.php?title=Special:Watchlist&action=submit&remove=1&id[]="+encodeURIComponent(pagename);
                unwatch.title = "Unwatch "+pagename;
                unwatch.appendChild(document.createTextNode("unwatch"));
                items[j].insertBefore(unwatch, links[1].nextSibling);
                items[j].insertBefore(document.createTextNode(") ("), unwatch);
            }
        }
    }
});

//