@@ -1,10 +1,12 @@
 <!DOCTYPE html>
 <html lang="en">
+
 <head>
   <meta charset="UTF-8">
   <title>Type Ahead 👀</title>
   <link rel="stylesheet" href="style.css">
 </head>
+
 <body>
 
   <form class="search-form">
@@ -14,45 +16,54 @@
       <li>or a state</li>
     </ul>
   </form>
-<script>
-const endpoint = 'https://gist.githubusercontent.com/Miserlou/c5cd8364bf9b2420bb29/raw/2bf258763cdddd704f8ffd3ea9a3e81d25e2c6f6/cities.json';
-
-const cities = [];
-
-fetch(endpoint)
-  .then(blob => blob.json())
-  .then(data => cities.push(...data))
-
-
-  function findMatches(wordToMatch, cities) {
-    return cities.filter(place => {
-      // figure out if city/state matches user input
-      const regex = new RegExp(wordToMatch, 'gi') 
-      return place.city.match(regex) || place.state.match(regex)
-
-  })
-}
-
-function displayMatches() {
-  const matchArray = findMatches(this.value, cities)
-  const html = matchArray.map(place => {
-    return `
-      <li>
-        <span class="name">${place.city}, ${place.state}</span>
-        <span class="population">${place.population}</span>
-      </li>
-    `
-  }).join('')
-  suggestions.innterHTML = html
-  console.log(matchArray)
-  
-}
-
-const searchInput = document.querySelector('.search')
-const suggestions = document.querySelector('.suggestions')
-
-searchInput.addEventListener('change', displayMatches)
-searchInput.addEventListener('keyup', displayMatches)
-</script>
-  </body>
-</html>
+  <script>
+    const endpoint =
+      'https://gist.githubusercontent.com/Miserlou/c5cd8364bf9b2420bb29/raw/2bf258763cdddd704f8ffd3ea9a3e81d25e2c6f6/cities.json';
+
+    const cities = [];
+
+    fetch(endpoint)
+      .then(blob => blob.json())
+      .then(data => cities.push(...data))
+
+
+    function findMatches(wordToMatch, cities) {
+      return cities.filter(place => {
+        // figure out if city/state matches user input
+        const regex = new RegExp(wordToMatch, 'gi')
+        return place.city.match(regex) || place.state.match(regex)
+
+      })
+    }
+
+    function numberWithCommas(x) {
+      return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',')
+    }
+
+    function displayMatches() {
+      const matchArray = findMatches(this.value, cities)
+      const html = matchArray.map(place => {
+        const regex = new RegExp(this.value, 'gi')
+        const cityName = place.city.replace(regex, `<span class="hl">${this.value}</span>`)
+        const stateName = place.state.replace(regex, `<span class="hl">${this.value}</span>`)
+        return `
+          <li>
+            <span class="name">${cityName}, ${stateName}</span>
+            <span class="population">${numberWithCommas(place.population)}</span>
+          </li>
+        `
+      }).join('')
+      suggestions.innerHTML = html
+      console.log(matchArray)
+
+    }
+
+    const searchInput = document.querySelector('.search')
+    const suggestions = document.querySelector('.suggestions')
+
+    searchInput.addEventListener('change', displayMatches)
+    searchInput.addEventListener('keyup', displayMatches)
+  </script>
+</body>
+
+</html>