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          "challengeType" : "0"
      },
      {
          "id" : "bad87fee1348bd9aed308826",
          "name" : "Target the Parent of an Element Using jQuery",
          "challengeType" : "0"
      },
      {
          "id" : "bad87fee1348bd9aed208826",
          "name" : "Target the Children of an Element Using jQuery",
          "challengeType" : "0"
      },
      {
          "id" : "bad87fee1348bd9aed108826",
          "name" : "Target a Specific Child of an Element Using jQuery",
          "challengeType" : "0"
      },
      {
          "id" : "bad87fee1348bd9aed008826",
          "name" : "Target Even Numbered Elements Using jQuery",
          "challengeType" : "0"
      },
      {
          "id" : "bad87fee1348bd9aecb08826",
          "name" : "Use jQuery to Modify the Entire Page",
          "challengeType" : "0"
      },
      {
          "id" : "56bbb991ad1ed5201cd392d4",
          "name" : "Trigger Click Events with jQuery",
          "challengeType" : "0"
      },
      {
          "id" : "56bbb991ad1ed5201cd392d5",
          "name" : "Change Text with Click Events",
          "challengeType" : "0"
      },
      {
          "id" : "56bbb991ad1ed5201cd392d6",
          "name" : "Get JSON with the jQuery getJSON Method",
          "challengeType" : "0"
      },
      {
          "id" : "56bbb991ad1ed5201cd392d7",
          "name" : "Convert JSON Data to HTML",
          "challengeType" : "0"
      },
      {
          "id" : "56bbb991ad1ed5201cd392d8",
          "name" : "Render Images from Data Sources",
          "challengeType" : "0"
      },
      {
          "id" : "56bbb991ad1ed5201cd392d9",
          "name" : "Prefilter JSON",
          "challengeType" : "0"
      },
      {
          "id" : "56bbb991ad1ed5201cd392da",
          "name" : "Get Geolocation Data",
          "challengeType" : "0"
      },
      {
          "id" : "cf1111c1c15feddfaeb1bdef",
          "name" : "Declare JavaScript Objects as Variables",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c15feddfaeb2bdef",
          "name" : "Construct JavaScript Objects with Functions",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c15feddfaeb4bdef",
          "name" : "Make Instances of Objects with a Constructor Function",
          "challengeType" : "1"
      },
      {
          "id" : "563cfb55594311ffcb333c70",
          "name" : "Make Unique Objects by Passing Parameters to our Constructor",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c15feddfaeb3bdef",
          "name" : "Make Object Properties Private",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c15feddfaeb7bdef",
          "name" : "Iterate over Arrays with map",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c15feddfaeb8bdef",
          "name" : "Condense arrays with reduce",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c15feddfaeb9bdef",
          "name" : "Filter Arrays with filter",
          "challengeType" : "1"
      },
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          "name" : "Sort Arrays with sort",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c16feddfaeb2bdef",
          "name" : "Reverse Arrays with reverse",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c16feddfaeb3bdef",
          "name" : "Concatenate Arrays with concat",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c16feddfaeb4bdef",
          "name" : "Split Strings with split",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c16feddfaeb5bdef",
          "name" : "Join Strings with join",
          "challengeType" : "1"
      },
      {
          "id" : "bd7158d8c423ede2aab5bdee",
          "name" : "Learn D3 Challenges",
          "challengeType" : "3"
      },
      {
          "id" : "561add10cb82ac38a17513b3",
          "name" : "Claim Your Data Visualization Certificate",
          "challengeType" : "7"
      },
      {
          "id" : "bd7168d8c242eddfaeb5bd13",
          "name" : "Visualize Data with a Bar Chart",
          "challengeType" : "3"
      },
      {
          "id" : "bd7178d8c242eddfaeb5bd13",
          "name" : "Visualize Data with a Scatterplot Graph",
          "challengeType" : "3"
      },
      {
          "id" : "bd7188d8c242eddfaeb5bd13",
          "name" : "Visualize Data with a Heat Map",
          "challengeType" : "3"
      },
      {
          "id" : "bd7198d8c242eddfaeb5bd13",
          "name" : "Show Relationships with a Force Directed Graph",
          "challengeType" : "3"
      },
      {
          "id" : "bd7108d8c242eddfaeb5bd13",
          "name" : "Map Data Across the Globe",
          "challengeType" : "3"
      },
      {
          "id" : "bd7157d8c242eddfaeb5bd13",
          "name" : "Build a Markdown Previewer",
          "challengeType" : "3"
      },
      {
          "id" : "bd7156d8c242eddfaeb5bd13",
          "name" : "Build a Camper Leaderboard",
          "challengeType" : "3"
      },
      {
          "id" : "bd7155d8c242eddfaeb5bd13",
          "name" : "Build a Recipe Box",
          "challengeType" : "3"
      },
      {
          "id" : "bd7154d8c242eddfaeb5bd13",
          "name" : "Build the Game of Life",
          "challengeType" : "3"
      },
      {
          "id" : "bd7153d8c242eddfaeb5bd13",
          "name" : "Build a Roguelike Dungeon Crawler Game",
          "challengeType" : "3"
      },
      {
          "id" : "bd7158d8c423ede3aeb5bdee",
          "name" : "Learn React Challenges",
          "challengeType" : "3"
      },
      {
          "id" : "bd7158d8c423ede2aeb5bdee",
          "name" : "Learn Sass Challenges",
          "challengeType" : "3"
      },
      {
          "id" : "bd7158d8c443eddfaeb5bcef",
          "name" : "Get Set for our Back End Development Projects",
          "challengeType" : "7"
      },
      {
          "id" : "bd7158d8c443edefaeb5bdef",
          "name" : "Timestamp Microservice",
          "challengeType" : "4"
      },
      {
          "id" : "bd7158d8c443edefaeb5bdff",
          "name" : "Request Header Parser Microservice",
          "challengeType" : "4"
      },
      {
          "id" : "bd7158d8c443edefaeb5bd0e",
          "name" : "URL Shortener Microservice",
          "challengeType" : "4"
      },
      {
          "id" : "bd7158d8c443edefaeb5bdee",
          "name" : "Image Search Abstraction Layer",
          "challengeType" : "4"
      },
      {
          "id" : "bd7158d8c443edefaeb5bd0f",
          "name" : "File Metadata Microservice",
          "challengeType" : "4"
      },
      {
          "id" : "cf1111c1c16feddfaeb6bdef",
          "name" : "Use the JavaScript Console",
          "challengeType" : "1"
      },
      {
          "id" : "cf1111c1c16feddfaeb7bdef",
          "name" : "Using typeof",
          "challengeType" : "1"
      },
      {
          "id" : "660add10cb82ac38a17513be",
          "name" : "Claim Your Back End Development Certificate",
          "challengeType" : "7"
      },
      {
          "id" : "bd7158d8c443eddfaeb5bdef",
          "name" : "Build a Voting App",
          "challengeType" : "4"
      },
      {
          "id" : "bd7158d8c443eddfaeb5bdff",
          "name" : "Build a Nightlife Coordination App",
          "challengeType" : "4"
      },
      {
          "id" : "bd7158d8c443eddfaeb5bd0e",
          "name" : "Chart the Stock Market",
          "challengeType" : "4"
      },
      {
          "id" : "bd7158d8c443eddfaeb5bd0f",
          "name" : "Manage a Book Trading Club",
          "challengeType" : "4"
      },
      {
          "id" : "bd7158d8c443eddfaeb5bdee",
          "name" : "Build a Pinterest Clone",
          "challengeType" : "4"
      },
      {
          "id" : "bd7353d8c341eddeaeb5bd0f",
          "name" : "Save your Code Revisions Forever with Git",
          "challengeType" : "2"
      },
      {
          "id" : "bd7243d8c341eddeaeb5bd0f",
          "name" : "Store Data in MongoDB",
          "challengeType" : "2"
      },
      {
          "id" : "bd7153d8c441eddfaeb5bd0f",
          "name" : "Manage Packages with NPM",
          "challengeType" : "2"
      },
      {
          "id" : "bd7153d8c441eddfaeb5bdff",
          "name" : "Start a Nodejs Server",
          "challengeType" : "2"
      },
      {
          "id" : "bd7153d8c441eddfaeb5bdfe",
          "name" : "Continue working with Nodejs Servers",
          "challengeType" : "2"
      },
      {
          "id" : "bd7153d8c441eddfaeb5bdfd",
          "name" : "Finish working with Nodejs Servers",
          "challengeType" : "2"
      },
      {
          "id" : "bd7153d8c441eddfaeb5bd1f",
          "name" : "Build Web Apps with Expressjs",
          "challengeType" : "2"
      },
      {
          "id" : "56b15f15632298c12f31517b",
          "name" : "Big O Notation What It Is and Why You Should Care",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31517a",
          "name" : "Big O Notation A Few Examples",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315184",
          "name" : "Chrome Dev Tools Elements",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315183",
          "name" : "Chrome Dev Tools Network",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315182",
          "name" : "Chrome Dev Tools Sources",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315181",
          "name" : "Chrome Dev Tools Timeline",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315180",
          "name" : "Chrome Dev Tools Profiles",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31517f",
          "name" : "Chrome Dev Tools Resources",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31517e",
          "name" : "Chrome Dev Tools Audits",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31517d",
          "name" : "Chrome Dev Tools Console",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31517c",
          "name" : "Chrome Dev Tools Summary",
          "challengeType" : "6"
      },
      {
          "id" : "bd7128d8c441eddfbeb5bddf",
          "name" : "Computer Basics The 4 Basic Parts of a Computer",
          "challengeType" : "6"
      },
      {
          "id" : "bd7127d8c441eddfbeb5bddf",
          "name" : "Computer Basics More Computer Hardware",
          "challengeType" : "6"
      },
      {
          "id" : "bd7129d8a441eddfbeb5bddf",
          "name" : "Computer Basics Chips and Moores Law",
          "challengeType" : "6"
      },
      {
          "id" : "bd7126d8c441eddfbeb5bddf",
          "name" : "Computer Basics Intro to Binary Code",
          "challengeType" : "6"
      },
      {
          "id" : "bd7125d8c441eddfbeb5bddf",
          "name" : "Computer Basics Decoding a Binary Number",
          "challengeType" : "6"
      },
      {
          "id" : "bd7124d8c441eddfbeb5bddf",
          "name" : "Computer Basics How To Measure Data Size",
          "challengeType" : "6"
      },
      {
          "id" : "bd7123d8c441eddfbeb5bddf",
          "name" : "Computer Basics Measuring Data Speed",
          "challengeType" : "6"
      },
      {
          "id" : "bd7122d8c441eddfbeb5bddf",
          "name" : "Computer Basics Binary Bytes",
          "challengeType" : "6"
      },
      {
          "id" : "bd7121d8c441eddfbeb5bddf",
          "name" : "Computer Basics Types of Computers",
          "challengeType" : "6"
      },
      {
          "id" : "bd7120d8c441eddfbeb5bddf",
          "name" : "Computer Basics More on the Motherboard",
          "challengeType" : "6"
      },
      {
          "id" : "bd712fd8c441eddfbeb5bddf",
          "name" : "Computer Basics Data Networks",
          "challengeType" : "6"
      },
      {
          "id" : "bd712ed8c441eddfbeb5bddf",
          "name" : "Computer Basics IP Addresses",
          "challengeType" : "6"
      },
      {
          "id" : "bd712dd8c441eddfbeb5bddf",
          "name" : "Computer Basics How the Internet Works",
          "challengeType" : "6"
      },
      {
          "id" : "bd712cd8c441eddfbeb5bddf",
          "name" : "Computer Basics Software",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31510f",
          "name" : "Computer Basics Content Delivery Networks",
          "challengeType" : "6"
      },
      {
          "id" : "bd7129d80441eddfbeb5bddf",
          "name" : "Analog vs Digital and File Compression",
          "challengeType" : "6"
      },
      {
          "id" : "bd7129d8b441eddfbeb5bddf",
          "name" : "Routers and Packets",
          "challengeType" : "6"
      },
      {
          "id" : "bd7029d8c441eddfbeb5bddf",
          "name" : "Source Code",
          "challengeType" : "6"
      },
      {
          "id" : "bd7119d8c441eddfbeb5bddf",
          "name" : "Variables In Code",
          "challengeType" : "6"
      },
      {
          "id" : "bd712bd8c441eddfbeb5bddf",
          "name" : "What Do Programmers Do",
          "challengeType" : "6"
      },
      {
          "id" : "bd712ad8c441eddfbeb5bddf",
          "name" : "Console and Logging",
          "challengeType" : "6"
      },
      {
          "id" : "bd7129d89441eddfbeb5bddf",
          "name" : "Computer Security",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31518f",
          "name" : "The DOM Whats the Document Object Model",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31518e",
          "name" : "The DOM Style in the Header Script in the Footer",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31518c",
          "name" : "JavaScript Lingo MDN and Documentation",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31518d",
          "name" : "JavaScript Lingo Value Types",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31518b",
          "name" : "JavaScript Lingo Variables  camelCase",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f31518a",
          "name" : "JavaScript Lingo Arrays  Objects",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315189",
          "name" : "JavaScript Lingo Finding and Indexing Data in Arrays",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315188",
          "name" : "JavaScript Lingo Manipulating Data",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315187",
          "name" : "JavaScript Lingo Math",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315186",
          "name" : "JavaScript Lingo Loops",
          "challengeType" : "6"
      },
      {
          "id" : "56b15f15632298c12f315185",
          "name" : "JavaScript Lingo Regular Expressions",
          "challengeType" : "6"
      },
      {
          "id" : "bd7158d8c242eddfaeb5be13",
          "name": "Design a danmu app",
          "challengeType" : "3"
      }
  ];
var challengeMap = {};
function lookUp(value, prop){
  for(var i=0;i<matchArray.length;i++){
    if(matchArray[i].name== value){
      return matchArray[i][prop] || "fasle";
    }
  }
  return "false";
}

var challengeMap ={};
var tbody = document.getElementsByTagName("tbody");
for(var k =0;k<tbody.length;k++){
  var tr = tbody[k].getElementsByTagName("tr");
  for(var i =0;i<tr.length;i++){
    var td = tr[i].getElementsByTagName("td");
    for(var j=0;j<td.length-1;j++){
      if(j==0 && td[j].innerText){
        var name = td[j].innerText;
        console.log(name);
        var id = lookUp(name,"id");
        var challengeType =  lookUp(name,"challengeType");
        challengeMap[id] = {};
        challengeMap[id].id = id;
        challengeMap[id].name = name;
        challengeMap[id].challengeType = challengeType;
      }
      if(j==1 && td[j].innerText){
        var completedDate = Date.parse(td[j].innerText);
        challengeMap[id].completedDate = completedDate;
      }
      if(j==2 && td[j].innerText){
        var lastUpdated  = Date.parse(td[j].innerText);
        challengeMap[id].lastUpdated = lastUpdated;
      }
      if(j==3 && td[j].innerText){
        var solution = td[j].getElementsByTagName("a")[0].href;
        var existed = solution.indexOf("solution");
        if(existed != -1){
          solution = solution.slice(existed + 9);
          var decodeString  = decodeURIComponent(solution.replace(/fccss/,'<script>').replace(/fcces/,'</script>'))
          challengeMap[id].solution = decodeString;
        }else if(solution.indexOf("challenges") != -1){

        }else{
          challengeMap[id].solution = solution;
        }
      }
    }
  }
}
console.log(Object.keys(challengeMap).length);
console.log(JSON.stringify(challengeMap,null,2));
// var progressTimestamps = [];
// for(var l in challengeMap){
//   var emptyObject = {};
//   emptyObject.timestamp = challengeMap[l].completedDate;
//   emptyObject.completedChallenge = challengeMap[l].id;
//   progressTimestamps.push(emptyObject);
// }
// progressTimestamps = JSON.stringify(progressTimestamps,null,2);
// console.log(JSON.stringify(progressTimestamps));
// db.getCollection('user').update({username:"somebody"},{$set:{"progressTimestamps":progressTimestamps,"challengeMap":challengeMap}},false,true)