Tampermonkey user script

OPR_reviewed_count.user.js

// ==UserScript==
// @name         OPR reviewed count
// @namespace    http://tampermonkey.net/
// @version      0.3
// @description  当前会话的wayfarer审po计数。计数不包括编辑审核和一星及重复。提醒自己小心CD！
// @author       shizhao
// @match        https://wayfarer.nianticlabs.com/review*
// @updateURL    https://gist.github.com/shizhao/b6d60630c315ad1446fad780391d5207/raw/69357d43c0baec6f18377de4fa20765fb6b608b6/OPR_reviewed_count.user.js
// @downloadURL  https://gist.github.com/shizhao/b6d60630c315ad1446fad780391d5207/raw/69357d43c0baec6f18377de4fa20765fb6b608b6/OPR_reviewed_count.user.js
// @grant        none
// ==/UserScript==

(function() {

if (sessionStorage.getItem('review_number')){
    review_number = parseInt(sessionStorage.getItem('review_number'));
    text='<span class="border border-danger">Reviewed count: <span id="review_number" class="badge badge-pill badge-warning">'+ review_number +'</span></span>';
    $('.hamburger').after(text);
    //console.log(review_number,sessionStorage.getItem('review_number'));
} else {
    review_number=0;
    sessionStorage.setItem('review_number', review_number);
    text='<span class="border border-danger">Reviewed count: <span id="review_number" class="badge badge-pill badge-warning">'+ review_number +'</span></span>';
    $('.hamburger').after(text);
}

$('button.button-primary').click(function(){
    review_number=review_number+1;
    sessionStorage.setItem('review_number', review_number);
    $('span#review_number').text(review_number);
  });

})();