// ==UserScript==
// @name         自动京东配送，销量排序 20200409
// @namespace    http://tampermonkey.net/
// @version      20200409
// @description  在京东浏览商品时，可选择自动为你勾选 [京东配送]、[仅显示有货]、[销量排序]。无多余代码，执行速度快！
// @author       mudan_cn
// @include             *//search.jd.com/*
// @include             *//www.jd.com/pinpai/*
// @include             *//list.jd.com/list.html?*
// @run-at document-start
// @grant        none
// @downloadURL none
// ==/UserScript==

+function() {
    var param = new URLSearchParams(location.search),
        param_ = {'psort':3,
                  'wtype':1,
                  'stock':1};
    Object.keys(param_).filter(e=>!param.has(e)).map(e=>{
        param.set(e, param_[e]);
    }).length && (location.search = param.toString());
}();