How to close popup box when clicked outside or when page is scrolled? [duplicate]

I am creating a page with image map that has a popup box. It works ok but I am not sure how to close the popup box when user clicks outside of the box or when the users scrolls the page. Currently the popup box remains on the page until the user closes the box by selecting 'X' button.

Here is link to my jsfiddle - https://jsfiddle.net/dyxc2qe5/2/ Thanks.

 $(function() {
    $('.map').maphilight();
  });
var myData = {
    "left-eye": {
    "top" : -20,
        "left" : -200,
        "title": "",
        "image":"",
        "description": "Lorem ipsum A dolor sin amet. ."
    },
    "mouth": {
    "top" : 20,
        "left" : 200,
        "title": "",
       
        "description": "Lorem ipsum B dolor sin amet. Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.vLorem ipsum B dolor sin amet.vLorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.</p>Lorem ipsum B dolor sin amet."
    },
   
};

var areas         = document.getElementsByTagName('area'),
    bubble        = document.getElementById('myBubble'),
    bubbleContent = document.getElementById('myBubbleContent'),
    bubbleClose   = document.getElementById('myBubbleCloseButton');

// On click of an area, open popup
for(var i=0, l=areas.length; i<l; i++) {
  areas[i].addEventListener('click', openBubble, false);
}

// On click of close button, close popup
bubbleClose.addEventListener('click', closeBubble, false);

function openBubble() {
  var content = myData[this.id];
  bubbleContent.innerHTML = '<h3>' + content.title + '</h3>'
                          + '<img src="' + content.image + '" alt="" />'
                          + '<p>' + content.description + '</p>';
  bubble.style.top = (event.clientY - 20) + "px";                        
  bubble.style.left = (event.clientX + 50) + "px";                        
  bubble.className = 'shown';
}





function closeBubble() {
  bubble.className = '';
}

// Make the image map responsive
imageMapResize();

$.fn.maphilight.defaults = {
fill: true,
fillColor: '1A8782',
fillOpacity: 1,
stroke: true,
strokeColor: '#1A8782',
strokeOpacity: 1,
strokeWidth: 1,
fade: true,
alwaysOn: false,
neverOn: false,
groupBy: false,
wrapClass: true,
shadow: false,
shadowX: 0,
shadowY: 0,
shadowRadius: 6,
shadowColor: '000000',
shadowOpacity: 0.8,
shadowPosition: 'outside',
shadowFrom: false
}

#myWrapper{ position: relative; font-family: Arial, Helvetica, sans-serif; }
#myImage{ display: block; }
#myBubble{  background: #fff; border: 1px solid #aaa; padding: .5rem 1rem; display: none; top: 1.5rem; left: 1.5rem; width: 40%;  }
#myBubble.shown{position: fixed; display: block;cursor: pointer;font-size: 0.8rem;
    margin-top: 0.2rem; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5)); width:20%; }
    #myBubble.shown:before{
    content: "";
    position: absolute;
    top: 20px;
    left:-30px;
    z-index: 1;
    border: solid 15px transparent;
    border-right-color: #FFF;
    
}
#myBubble img{ display: block; width: 100%;
}
#myBubbleCloseButton{ position: absolute; top: 0; right: 0; padding: .5rem;  line-height: 1; cursor: pointer; color: #1A8782; }
#myBubbleCloseButton:hover{  color: #1A8782;  }

<script src="https://cdn.rawgit.com/davidjbradshaw/image-map-resizer/master/js/imageMapResizer.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/maphilight/1.4.0/jquery.maphilight.min.js"></script>

<div id="myWrapper">

   <img id="myImage" src="http://tinypic.com/images/goodbye.jpg" usemap="#myMap" alt="" class="map" />


 <map name="myMap" id="myMap">
  <area id="left-eye"  coords="118,36,148,80" shape="rect" href="javascript:void(0);">
  <area id="mouth"  coords="121,84,198,118" shape="rect">
</map>

   <div id="myBubble">
      <div id="myBubbleContent"></div>
      <div id="myBubbleCloseButton">✕</div>
    </div>
</div>

<p>
Lorem ipsum B dolor sin amet. Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor Lorem ipsum B dolor sin amet. Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolorLorem ipsum B dolor sin amet. Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolorLorem ipsum B dolor sin amet. Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor sin amet.Lorem ipsum B dolor
</p>

  

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