removed redundant initializer from newTitle

public/assets/js/functions.js

@@ -76,6 +76,7 @@ function deleteAddress(id) {
 function upCase(text) {
     return text[0].toUpperCase() + text.substring(1);
 }
+
 function sortBy(column) {
     // clear titles
     const titles = ['first', 'last', 'street', 'zip', 'city', 'phone']
@@ -88,7 +89,7 @@ function sortBy(column) {
     let currentTitleElement = document.getElementById(column)
     let currentTitle = currentTitleElement.innerHTML
 
-    let newTitle = ''
+    let newTitle
     if (currentSortOrder.innerHTML === 'asc') {
         currentSortOrder.innerHTML = 'desc'
         newTitle = currentTitle[0] + currentTitle.substring(1) + ' ⬇'
@@ -130,3 +131,8 @@ function sortBy(column) {
         }
     }
 }
+
+document.addEventListener('DOMContentLoaded', () => {
+    console.log('loaded')
+    sortBy('last')
+})