How to add name and description with per coordinates in geojson and show in popup
<p>How to add name and description with per cordinates in geojson and show in popup on every marker click</p>

<p>My Json code</p>

<pre><code>{
  "type": "FeatureCollection",
  "features": [
    {
      "type": "Feature",
      "properties": {},
      "geometry": {
        "type": "MultiPoint",
        "coordinates": [
          [
            -98.1298828125,
            40.59727063442027
          ],
          [
            -97.88818359375,
            41.32732632036622
          ],
          [
            -97.44873046875,
            40.52215098562377
          ]
        ]
      }
    }
  ]
}
</code></pre>

<p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
<div class="snippet-code">
<pre class="snippet-code-js lang-js prettyprint-override"><code>// we change this on input change
// tiles for background
var raster = new ol.layer.Tile({
    source: new ol.source.TileJSON({
        url: 'http://api.tiles.mapbox.com/v3/tschaub.mp9mlp0b.jsonp'
    })
});

// vector layer
var vector = new ol.layer.Vector({
    source: new ol.source.Vector({
        format: new ol.format.GeoJSON(),
        url: 'https://raw.githubusercontent.com/mapbox/cover-bench/89a8da794ef8c9434b8745d306f1a1b590bba97a/fixtures/multipoint.geojson'
    }),
    style: [
    new ol.style.Style({
        image: new ol.style.Icon({
            src: 'http://api.tiles.mapbox.com/mapbox.js/v2.1.9/images/marker-shadow.png',
            anchor: [13 / 41, 1]
        })
    }),
    new ol.style.Style({
        image: new ol.style.Icon({
            src: 'http://api.tiles.mapbox.com/mapbox.js/v2.1.9/images/marker-icon.png',
            anchor: [0.5, 1]
        })
    })]
});

// render the map    
var map = new ol.Map({
    target: 'map',
    renderer: 'canvas',
    layers: [raster, vector],
    view: new ol.View({
        center: [-10807016, 5029327],
        zoom: 8
    })
});</code></pre>
<pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="http://openlayers.org/en/master/build/ol.js"&gt;&lt;/script&gt;
&lt;div id="map" class="map"&gt;&lt;/div&gt;</code></pre>
</div>
</div>
</p>