给朋友写的，顺便也分享出来

/**
   * Created by wplct on 2017-08-28.
  */

// 是否关注
var host = 'http://www.jianshu.com';
if(!!$('.author .btn.btn-success.follow').length){
    // 关注
     $.post(host+'/users/6446857/toggle_like',{fuckuc: "1"});
     console.log('关注成功');
}else {
    console.log('已经关注');
}
// 获取作者首页
var author_url = $('.author .avatar').attr('href');
// 获取作者文章数据
var re = /<a class="title" target="_blank" href="(\/p\/.*?)">/g;
var ps = [];


var like_re = /"is_liked_note":true/g;
var find_like = /data-note-id="\d*?"/g;
function like() {
    if(!ps.length){
        console.log('完工');
        return;
    }
    var a = ps.pop();
    var url = a.slice(39,a.length-2);
    $.get(host+url,{},function (text) {
        // console.log(text);
        var arr = text.match(like_re);
        if(!arr){
            var note_id = text.match(find_like)[0];
            note_id = note_id.slice(14,note_id.length-1);
            $.post(host+'/notes/'+note_id+'/like',{},function () {
                console.log('喜欢成功'+note_id);
            });
            setTimeout('like()',1000)
        }else {
             console.log('已经喜欢');
             setTimeout('like()',1000)
        }
    })
}

function getP(page) {
    $.get(host+author_url+'?order_by=shared_at&page='+page,{},function (text) {
        // console.log(text)
        var arr = text.match(re);
        // console.log(arr);
        if(!!arr){
            console.log('爬取到'+arr.length+'篇文章');
            $.merge(ps,arr);
            setTimeout("getP("+(page+1)+")",1000)
        }else {
            console.log("文章爬取完成")
            like();
        }
    });
}

getP(1);

单行压缩版

var host="http://www.jianshu.com";if(!!$(".author .btn.btn-success.follow").length){$.post(host+"/users/6446857/toggle_like",{fuckuc:"1"});console.log("关注成功")}else{console.log("已经关注")}var author_url=$(".author .avatar").attr("href");var re=/<a class="title" target="_blank" href="(\/p\/.*?)">/g;var ps=[];var like_re=/"is_liked_note":true/g;var find_like=/data-note-id="\d*?"/g;function like(){if(!ps.length){console.log("完工");return}var b=ps.pop();var c=b.slice(39,b.length-2);$.get(host+c,{},function(e){var a=e.match(like_re);if(!a){var d=e.match(find_like)[0];d=d.slice(14,d.length-1);$.post(host+"/notes/"+d+"/like",{},function(){console.log("喜欢成功"+d)});setTimeout("like()",1000)}else{console.log("已经喜欢");setTimeout("like()",1000)}})}function getP(a){$.get(host+author_url+"?order_by=shared_at&page="+a,{},function(c){var b=c.match(re);if(!!b){console.log("爬取到"+b.length+"篇文章");$.merge(ps,b);setTimeout("getP("+(a+1)+")",1000)}else{console.log("文章爬取完成");like()}})}getP(1);

简明使用方法 按F12 在输入框中粘贴后回车