Coding Contest - Result Cleanup

userscript.js

// ==UserScript==
// @name         Coding Contest - Result Cleanup
// @version      1.1.0
// @author       Manuel Geier
// @match        https://www.google.at/search?q=userscript&rlz=1C1GGRV_enAT751AT751&oq=userscript&aqs=chrome..69i57j69i59j35i39j0l3.4415j0j7&sourceid=chrome&ie=UTF-8
// @grant        none
// @include      *codingcontest.org/contest/*
// ==/UserScript==


var load,execute,loadAndExecute;load=function(a,b,c){var d;d=document.createElement("script"),d.setAttribute("src",a),b!=null&&d.addEventListener("load",b),c!=null&&d.addEventListener("error",c),document.body.appendChild(d);return d},execute=function(a){var b,c;typeof a=="function"?b="("+a+")();":b=a,c=document.createElement("script"),c.textContent=b,document.body.appendChild(c);return c},loadAndExecute=function(a,b){return load(a,function(){return execute(b)})};

loadAndExecute("https://code.jquery.com/jquery-3.3.1.js", function() {

    var showTop3 = false;


    var rankTable = $(".content table").first();

    // remove all icons
    $("img[src*=gold]").remove();
    $("img[src*=silver]").remove();
    $("img[src*=bronze]").remove();

    // add top rank icons
    var imgGold = document.createElement('img')
    imgGold.src = "/images/icons/gold.png";
    $(imgGold).css("padding-left", "1rem");
    var imgSilver = document.createElement('img')
    imgSilver.src = "/images/icons/silver.png";
    $(imgSilver).css("padding-left", "1rem");
    var imgBronze = document.createElement('img')
    imgBronze.src = "/images/icons/bronze.png";
    $(imgBronze).css("padding-left", "1rem");
    addToRank("1", imgGold);
    addToRank("2", imgSilver);
    addToRank("3", imgBronze);


    // remove finished column
    rankTable.find("tr").find("th:eq(5)").remove();
    rankTable.find("tr").find("td:eq(5)").remove();

    // bold top ranks
    rankTable.find("tr").find("td:eq(0)").filter(function() {
        var rank = parseInt($(this).text())
        return rank >= 1 && rank <= 30;
    }).closest("tr").css("font-weight", "bold");

    // remove ranks
    rankTable.find("tr").find("td:eq(0)").filter(function() {
        var rank = parseInt($(this).text())
        return !(rank >= 1 && rank <= 30);
    }).closest("tr").remove();

    if(!showTop3) {
        // remove ranks
        rankTable.find("tr").find("td:eq(0)").filter(function() {
            var rank = parseInt($(this).text())
            return rank >= 1 && rank <= 3;
        }).closest("tr").remove();
    }


    // remove lottery tickets table
    $("th:contains('Lottery tickets')").closest("table").remove();


    function addToRank(rank, element) {
        rankTable.find("tr:eq("+rank+")").find("td:eq(0)").filter(function() {
            return $(this).text() === rank;
        }).get(0).appendChild(element);
    }

});