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User:Taavi/Unslashifier.js

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/*
 * Unslashifier by [[User:Majavah]] @ en.wikipedia.org
 * A user script that redirects accidental navigation to 404's ending in a slash (say, Foo/) to the normal page (Foo)
 */
$(function() {
    var pageName = mw.config.get('wgPageName');
    if (pageName.endsWith('/') && document.querySelector('#p-namespaces .selected.new')) {
        var url = mw.util.getUrl(pageName.slice(0, -1));
        window.location.href = url;
    }
});