remove CSDN,stackoverflow,cnblogs,jb51.net elements you not like, such as advertisements.
// ==UserScript==
// @name Clean Reading
// @name:zh_CN 清爽阅读
// @namespace http://www.lelins.com/
// @version 0.1.4
// @description remove CSDN,stackoverflow,cnblogs,jb51.net elements you not like, such as advertisements.
// @description:zh_CN 轻松去除CSDN,statckoverflow,cnblog,jb51等网站上很乱的东西，让你更专注于阅读内容。支持把内容直接打印为PDF
// @author lelins.com
// @match https://blog.csdn.net/*
// @match https://stackoverflow.com/questions/*
// @match https://www.cnblogs.com/*
// @match http://www.jb51.net/article/*
// @grant none
// 2018-04-16 add Statckoverflow site
// 2018-04-17 add switch button you can hide or show the hidden elements
// 2018-04-18 add jb51.net site
// ==/UserScript==
(function() {
'use strict';
function css(id,styles){ try{ $('#'+id).css(styles);}catch(e){} try{ $(id).css(styles);}catch(e){}}
function css_(id){ try{ $('#'+id).removeAttr('style');}catch(e){} try{ $(id).removeAttr('style');}catch(e){}}
window.killJB51 = function(hideThem){
if(hideThem){
$('.main.mb10.clearfix,.topTools,.header,.wrap>.subnav,.fr.w300,#right-share,.xgcomm.clearfix,#footer,#comments,.jb51ewm,.art_xg,.w350.fr').hide();
$('iframe').remove();
setTimeout(function(){
$('#BAIDU_DUP_fp_wrapper').hide();
$('.w750.fl').css({width:'1080px'});
$('#content,.jb51code').css({width:'1000px'});
},300);
}else{
$('.main.mb10.clearfix,.topTools,.header,.wrap>.subnav,.fr.w300,#right-share,.xgcomm.clearfix,#footer,#comments,.jb51ewm,.art_xg,.w350.fr').show();
css_('.w750.fl,#content,.jb51code');
}
};
window.killCSDN = function(hideThem){
if(hideThem){
css('main',{ paddingLeft : 0, width: '97%',float : 'left'});
css('article_content',{height:'auto'});
$('#side,#navigator,#article_ad,.readall_box,.article_next_prev,aside').hide();
setTimeout(function(){
$('#share_box,.meau-gotop-box,.csdn-toolbar,.recommend_list,.comment_look_more,.pulllog-box,.comments').hide();
css('comment_list',{height:'auto'});
$('#layerd').remove();
$('iframe').remove();
},500);
}else{
css_('main');
css_('article_content');
$('#side,#navigator,#article_ad,.readall_box,.article_next_prev,aside').show();
$('#share_box,.meau-gotop-box,.csdn-toolbar,.recommend_list,.comment_look_more,.pulllog-box,.comments').show();
css_('comment_list');
}
};
/* StatckOverflow 站点 */
window.killStackoverflow = function (hideThem){
if( hideThem ){
$('#sidebar').hide();
setTimeout(function(){
$('#mainbar, .mainbar,.answer,.answers-header,#questions, #answers').css({'width':'97%'});
$('.question-page #answers .answer').css({'border-top':'5px solid #ccc'});
$('.everyonelovesstackoverflow').hide();
$('footer,#dfp-mlb,.new-post-login,#post-form').hide();
$('.bottom-notice,.hero-container,.post-text ~ div').hide();
$('.answer .vote-count-post:contains("-")').each(function(){
$(this).parents('.answer').hide();
});
},800);
}else{
$('#sidebar').show();
css_('#mainbar, .mainbar,.answer,.answers-header,#questions, #answers');
css_('.question-page #answers .answer');
$('.everyonelovesstackoverflow').show();
$('footer,#dfp-mlb,.new-post-login,#post-form').show();
$('.bottom-notice,.hero-container,.post-text ~ div').show();
$('.answer .vote-count-post:contains("-")').each(function(){
$(this).parents('.answer').show();
});
}
};
window.killCNBlog = function(hideThem){
if(hideThem){
$('#leftcontent,#header,#comment_form,.footer,#blog_post_info_block,#mytopmenu').hide();
$('#centercontent').css({width : '80%','padding-left':'10%'});
}else{
$('#leftcontent,#header,#comment_form,.footer,#blog_post_info_block,#mytopmenu').show();
$('#centercontent').removeAttr('style');
}
};
window.siteCfg = {};
window.toggle = function(){
var host = window.location.host;
window.siteCfg[host] = !!!window.siteCfg[host];
var hideThem = window.siteCfg[host];
if( 'blog.csdn.net' == host){
window.killCSDN(hideThem);
}else if('stackoverflow.com' == host){
window.killStackoverflow(hideThem);
}else if('www.cnblogs.com' == host){
window.killCNBlog(hideThem);
}else if('www.jb51.net' == host){
window.killJB51(hideThem);
}
};
window.toggle();
var html = "<style media=print type='text/css'>.noprint{visibility:hidden}</style><style type=text/css>.mui-switch{width:70px;height:31px;position:relative;border:1px solid #dfdfdf;background-color:#fdfdfd;box-shadow:#dfdfdf 0 0 0 0 inset;border-radius:20px;border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;background-clip:content-box;display:inline-block;-webkit-appearance:none;user-select:none;outline:0}.mui-switch:before{content:'';width:29px;height:29px;position:absolute;top:0;left:0;border-radius:20px;border-top-left-radius:20px;border-top-right-radius:20px;border-bottom-left-radius:20px;border-bottom-right-radius:20px;background-color:#fff;box-shadow:0 1px 3px rgba(0,0,0,0.4)}.mui-switch:checked{border-color:#64bd63;box-shadow:#64bd63 0 0 0 16px inset;background-color:#64bd63}.mui-switch:checked:before{left:39px}.mui-switch.mui-switch-animbg{transition:background-color ease .4s}.mui-switch.mui-switch-animbg:before{transition:left .3s}.mui-switch.mui-switch-animbg:checked{box-shadow:#dfdfdf 0 0 0 0 inset;background-color:#64bd63;transition:border-color .4s,background-color ease .4s}.mui-switch.mui-switch-animbg:checked:before{transition:left .3s}.mui-switch.mui-switch-anim{transition:border cubic-bezier(0,0,0,1) .4s,box-shadow cubic-bezier(0,0,0,1) .4s}.mui-switch.mui-switch-anim:before{transition:left .3s}.mui-switch.mui-switch-anim:checked{box-shadow:#64bd63 0 0 0 16px inset;background-color:#64bd63;transition:border ease .4s,box-shadow ease .4s,background-color ease 1.2s}.mui-switch.mui-switch-anim:checked:before{transition:left .3s}</style>";
html+="<div style='position: fixed;left: 20px;top: 50px;width: 60px;height: 40px;'><input onclick=\"window.toggle()\" class='noprint mui-switch mui-switch-anim' type='checkbox' checked></div>";
$('body').append(html);
// Your code here...background: ;
})();