Finished wesbos#6

Author: smchenrybc

06 - Type Ahead/index-START.html

@@ -17,6 +17,46 @@
 <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));
+
+// console.log(cities);
+
+function findCities(enteredText, cities) {
+  return cities.filter(place => {
+    const regex = new RegExp(enteredText, 'gi');
+    return place.city.match(regex) || place.state.match(regex);
+  });
+}
+
+function numberWithCommas(x) {
+  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
+}
+
+function displayCities() {
+  const matchArray = findCities(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;
+}
+
+const searchInput = document.querySelector('.search');
+const suggestions = document.querySelector('.suggestions');
+
+searchInput.addEventListener('change', displayCities);
+searchInput.addEventListener('keyup', displayCities);
+
+
 </script>
   </body>
 </html>