Tieba Sex

gistfile1.js

// ==UserScript==
// @name        Tieba Sex
// @namespace   http://tieba.baidu.com
// @include     http://tieba.baidu.com/p/*
// @version     1
// @grant       none
// ==/UserScript==

;(function($){
	var cssText ='\
	.userinfo_sex_male,.userinfo_sex_female {\
		background-image: url("http://tb2.bdstatic.com/tb/static-ihome/img/icon_groups_26e15a2.png");\
		display: inline-block;\
		margin: 0 0 -2px 5px;\
		height: 14px;\
		width: 14px;}\
	.userinfo_sex_female {background-position: 0 -63px;}\
	.userinfo_sex_male {background-position: 0 -32px;}';
	$(document.head).append("<style>" +cssText+ "</style>");
	
	function sex(){
		$(".l_post").each(function(){
			if($(this).data("field").sex) return;
			$(this).find(".d_name").append('<span class="' +
			($(this).data("field").author.user_sex < 2 ? 
			'userinfo_sex_male' : 'userinfo_sex_female')+ '"></span>')
			.end().data("field").sex ="1";
		});
	}
	
	var MutationObserver = window.MutationObserver ||
		window.WebKitMutationObserver || window.MozMutationObserver;
	new MutationObserver(function(mutations) {
		mutations.forEach(function() {
			sex();
		});
	}).observe(document.querySelector("#j_p_postlist"), 
	{ attributes: true, childList: true, characterData: true });	
	
	sex();
})(unsafeWindow.jQuery);