README.md

emoji.js

// taken from the great d3moji.js lib, then modified to work with this project.

var emojiMap = 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var emojiDashes = {"hash":"0023-20e3","zero":"0030-20e3","one":"0031-20e3","two":"0032-20e3","three":"0033-20e3","four":"0034-20e3","five":"0035-20e3","six":"0036-20e3","seven":"0037-20e3","eight":"0038-20e3","nine":"0039-20e3","flag-ae":"1f1e6-1f1ea","flag-at":"1f1e6-1f1f9","flag-au":"1f1e6-1f1fa","flag-be":"1f1e7-1f1ea","flag-br":"1f1e7-1f1f7","flag-ca":"1f1e8-1f1e6","flag-ch":"1f1e8-1f1ed","flag-cl":"1f1e8-1f1f1","flag-cn":"1f1e8-1f1f3","cn":"1f1e8-1f1f3","flag-co":"1f1e8-1f1f4","flag-de":"1f1e9-1f1ea","de":"1f1e9-1f1ea","flag-dk":"1f1e9-1f1f0","flag-es":"1f1ea-1f1f8","es":"1f1ea-1f1f8","flag-fi":"1f1eb-1f1ee","flag-fr":"1f1eb-1f1f7","fr":"1f1eb-1f1f7","flag-gb":"1f1ec-1f1e7","gb":"1f1ec-1f1e7","uk":"1f1ec-1f1e7","flag-hk":"1f1ed-1f1f0","flag-id":"1f1ee-1f1e9","flag-ie":"1f1ee-1f1ea","flag-il":"1f1ee-1f1f1","flag-in":"1f1ee-1f1f3","flag-it":"1f1ee-1f1f9","it":"1f1ee-1f1f9","flag-jp":"1f1ef-1f1f5","jp":"1f1ef-1f1f5","flag-kr":"1f1f0-1f1f7","kr":"1f1f0-1f1f7","flag-mo":"1f1f2-1f1f4","flag-mx":"1f1f2-1f1fd","flag-my":"1f1f2-1f1fe","flag-nl":"1f1f3-1f1f1","flag-no":"1f1f3-1f1f4","flag-nz":"1f1f3-1f1ff","flag-ph":"1f1f5-1f1ed","flag-pl":"1f1f5-1f1f1","flag-pr":"1f1f5-1f1f7","flag-pt":"1f1f5-1f1f9","flag-ru":"1f1f7-1f1fa","ru":"1f1f7-1f1fa","flag-sa":"1f1f8-1f1e6","flag-se":"1f1f8-1f1ea","flag-sg":"1f1f8-1f1ec","flag-tr":"1f1f9-1f1f7","flag-us":"1f1fa-1f1f8","us":"1f1fa-1f1f8","flag-vn":"1f1fb-1f1f3","flag-za":"1f1ff-1f1e6","man-man-boy":"1f468-200d-1f468-200d-1f466","man-man-boy-boy":"1f468-200d-1f468-200d-1f466-200d-1f466","man-man-girl":"1f468-200d-1f468-200d-1f467","man-man-girl-boy":"1f468-200d-1f468-200d-1f467-200d-1f466","man-man-girl-girl":"1f468-200d-1f468-200d-1f467-200d-1f467","man-woman-boy":"1f468-200d-1f469-200d-1f466","man-woman-boy-boy":"1f468-200d-1f469-200d-1f466-200d-1f466","man-woman-girl":"1f468-200d-1f469-200d-1f467","man-woman-girl-girl":"1f468-200d-1f469-200d-1f467-200d-1f467","man-heart-man":"1f468-200d-2764-fe0f-200d-1f468","man-kiss-man":"1f468-200d-2764-fe0f-200d-1f48b-200d-1f468","woman-woman-boy":"1f469-200d-1f469-200d-1f466","woman-woman-boy-boy":"1f469-200d-1f469-200d-1f466-200d-1f466","woman-woman-girl":"1f469-200d-1f469-200d-1f467","woman-woman-girl-boy":"1f469-200d-1f469-200d-1f467-200d-1f466","woman-woman-girl-girl":"1f469-200d-1f469-200d-1f467-200d-1f467","woman-heart-woman":"1f469-200d-2764-fe0f-200d-1f469","woman-kiss-woman":"1f469-200d-2764-fe0f-200d-1f48b-200d-1f469"};

index.html

<html>

<title>Bayemoji</title>

<style>
body {
margin: 20px;
font-family: Helvetica, sans-serif;
font-size: 2em;
}

.center {
    margin: auto;
    width: 60%;
    padding: 10px;
}

#law {
  margin: 50px;
  padding-top: 30px;
}

#text {
  margin: auto;
  font-size: 20px;
  padding-bottom: 20px;
}

.special {
  color: steelblue;
}

button {
  background: lightblue;
  font-size: 20px;
  margin: auto;
  width: 50%;
}

.byline {
  font-size: 12px;
  font-color: darkgray;
  padding-top: 50px;
}

</style>

<script type="text/x-mathjax-config">
MathJax.Hub.Config({
  tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
});
</script>
<script src="d3moji.js"></script>
<script   src="https://code.jquery.com/jquery-1.12.3.min.js"   integrity="sha256-aaODHAgvwQW1bFOGXMeX+pC4PZIPsvn2h1sArYOhgXQ=" crossorigin="anonymous"></script>
<script src='https://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML'></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.11.2/lodash.js"></script>
<script src="emoji.js"></script>
</head>
<body>

<div class="center">
<h2>Bayemoji: Bayes' Theorem of Emoji Likelihood</h2>

<div id="law">
</div>

<div id="text">
</div>

<button id="more">Educate Me Some More, Lynn!</button>

<p class="byline">By <a href="http://www.ghostweather.com">Lynn Cherny</a>, (@arnicas)</p>

</div>


<script>

 (function () {

  var emoji = _.values(emojiMap);
  var names = _.keys(emojiMap);

  function getRandom() {
    var index = _.random(0, emoji.length-1);
    return index;
  }

    function getlaw() {

      var index = getRandom();
      var a = "&#x" + emoji[index];
      var a_text = names[index];
      var index = getRandom();
      var b = "&#x" + emoji[index];
      var b_text = names[index];
      var law = "$P(" + b + "|"  + a + ") = \\dfrac{P(" + a + " \\cap " + b + ")}{P(" + a + ")}$";
      var text = "The probability of <span class='special'>" + b_text + "</span> given a <span class='special'>" + a_text + "</span> event is based on the probability of a <span class='special'>" + a_text + "</span> and <span class='special'>" + b_text + "</span> happening together, divided by the chance of a <span class='special'>" + a_text + "</span> happening on its own.";
      $("#law").html(law);
      $("#text").html(text);
      return law;
  }

  $("button#more").click(function() {
    getlaw();
    MathJax.Hub.Queue(["Typeset",MathJax.Hub, "law"]);
  });

  getlaw();
  MathJax.Hub.Queue(["Typeset",MathJax.Hub, "law"]);

  })();

</script>
</body>
</html>