Finished wesbos#6 This is so cool

Author: Clint1080

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))
+
+function findMatches(wordToMatch, cities) {
+  return cities.filter(place => {
+    // here we need to figure if the city or state matches what was searched
+    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
+}
+const searchInput = document.querySelector('.search')
+const suggestions = document.querySelector('.suggestions')
+
+searchInput.addEventListener('change', displayMatches)
+searchInput.addEventListener('keyup', displayMatches)
+
 </script>
 </body>
 </html>