hide everything except author information and main content.
// ==UserScript==
// @name JB51 Reformater
// @namespace http://www.jb51.net/
// @version 0.1
// @description hide everything except author information and main content.
// @author Mianjune Hong
// @license GPL version 3
// @match *://www.jb51.net/article/*.htm*
// @grant none
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
// Your code here...
var content = $('div.article-content');
$('head').append($('<style type="text/css">.lbd, .jb51ewm{display:none!important;} .main{margin: 3em auto!important;max-width:64em;} #content{width:100%!important;}</style>')).append($('body link'));
$('body').remove();
$('html').append($('<body></body>').append($('<div class="main"></div>').append(content)));
})();