WordPress/wp-admin/js/cat.min.js

jQuery(document).ready(function(b){var a=function(){return""!==b("#newcat").val()};b("#jaxcat").prepend('<span id="ajaxcat"><input type="text" name="newcat" id="newcat" size="16" autocomplete="off"/><input type="button" name="Button" data-wp-lists="add:categorychecklist:jaxcat" id="catadd" value="'+catL10n.add+'"/><input type="hidden"/><input type="hidden"/><span id="howto">'+catL10n.how+'</span></span><span id="cat-ajax-response"></span>');b("#categorychecklist").wpList({alt:"",response:"cat-ajax-response",confirm:a})});