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<!DOCTYPE html>
<html>
<head>
  <meta name="generator"
        content="HTML Tidy for HTML5 for Linux version 5.6.0">
  <meta charset="utf-8">
  <title>senders.io - Dice Roller</title>
  <link rel="stylesheet"
        type="text/css"
        href="/index.css">
  <link rel="stylesheet"
        type="text/css"
        href="./index.css">
  <meta name="viewport"
        content="width=device-width, initial-scale=1">
</head>
<body>
  <article id="body">
    <h1>Dice Roller</h1>
    <p>Set your number of dice and press roll. The output tables will display
    the number of count of each result rolled.</p>
    <div class='form'>
      <input type='number'
           min="1"
           max="999"
           id="numdice"
           value="4"> <button id='rollbtn'
           onclick="roll()">Roll</button>
    </div>
    <h2>Roll Results</h2>
    <table id='results'
           class='output'>
      <thead>
        <tr>
          <th>Dice Face</th>
          <th>Num Rolled</th>
        </tr>
      </thead>
      <tbody id='resbody'></tbody>
    </table>
    <h2>Roll History</h2>
    <table id='history'
           class='output'>
      <thead>
        <tr>
          <th class='num'>#</th>
          <th colspan="2">cnt</th>
          <th>1s</th>
          <th>2s</th>
          <th>3s</th>
          <th>4s</th>
          <th>5s</th>
          <th>6s</th>
        </tr>
      </thead>
      <tbody id='histbody'></tbody>
    </table>
  </article>
  <article class='footer'>
    <i>This page uses basic javascript. Nothing external.</i>
  </article>
  <script>
      var numRolls = 0;

      function roll() {
        numRolls += 1;
        var nI = document.getElementById("numdice");
        var numDice = nI.value;
        var results = {};
        results[1] = 0;
        results[2] = 0;
        results[3] = 0;
        results[4] = 0;
        results[5] = 0;
        results[6] = 0;
        for (var i = 0; i < numDice; i++) { 
          var r = Math.floor((Math.random() * 100) % 6) + 1;
          results[r] += 1; 
        }
        display(results, numDice);
      }

      function display(res, numDice) {
        var resBody = document.getElementById("resbody");
        var histBody = document.getElementById("histbody");
        resHTML = "";
        histHTML = `<tr><td class='num'>${numRolls}</td><td colspan=2>${numDice}</td>`;
        for (var i = 1; i <= 6; i++) {
          resHTML += `<tr><td>${i}</td><td>${res[i]}</td></tr>`;
          histHTML += `<td>${res[i]}</td>`;
        }
        histHTML += "</tr>";
        histBody.innerHTML = histHTML + histBody.innerHTML;
        resBody.innerHTML = resHTML;
      }
  </script>
</body>
</html>