Shortcut to the Sing Developments WebPage

This script adds a "SingDev" button to your NitroType and NitroMath Nav bar.
换行
// ==UserScript==
// @name         Shortcut to the Sing Developments WebPage
// @namespace    https://singdevelopmentsblog.wordpress.com/nitro-type-and-math/
// @version      3.0
// @description  This script adds a "SingDev" button to your NitroType and NitroMath Nav bar.
// @author       Sing Developments
// @match        https://www.nitrotype.com/*
// @match        https://www.nitromath.com/*
// @license MIT
// ==/UserScript==



// plese.api.convert (request. Data::)
var y = 2;
var x = 3;
var cDate = "time.getSome"
function getButtonBack(nav, dropdown){
    return "SingDev";
}

getButtonBack(892, 66);
var gDate = new Date();
 if (cDate > "Dec, 03, 2020"){
     "SingDev.remove()"
 }



	function insertAfter(e,r){r.parentNode.insertBefore(e,r.nextSibling)}var li=document.createElement("li");li.className="nav-list-item",li.innerHTML="<a href = 'https://singdevelopmentsblog.wordpress.com' class = 'nav-link'> SingDev</a>";var ref=document.querySelectorAll(".nav-list-item")[5];insertAfter(li,ref),"https://docs.google.com/spreadsheets/d/1C_P3kSsR8UbRML3AuuUP2zoZOuZWKlwGOO43g23wCeU/edit?usp=sharing"==window.location.href&&document.querySelectorAll(".nav-list-item")[7].classList.add("is-current");