diff --git a/scripts/js/gravity.js b/scripts/js/gravity.js
index f1438a8b..893763e8 100644
--- a/scripts/js/gravity.js
+++ b/scripts/js/gravity.js
@@ -76,16 +76,16 @@ function parseLines(ta, str) {
   // Splitting the text on "\r"
   const lines = str.split(/(?=\r)/g);
 
-  for (let i = 0; i < lines.length; i++) {
-    if (lines[i][0] === "\r") {
+  for (let line of lines) {
+    if (line[0] === "\r") {
       // This line starts with the "OVER" sequence. Replace them with "\n" before print
-      lines[i] = lines[i].replaceAll("\r", "\n").replaceAll("\r", "\n");
+      line = line.replaceAll("\r", "\n").replaceAll("\r", "\n");
 
       // Last line from the textarea will be overwritten, so we remove it
       ta.text(ta.text().substring(0, ta.text().lastIndexOf("\n")));
     }
 
     // Append the new text to the end of the output
-    ta.append(lines[i]);
+    ta.append(line);
   }
 }
diff --git a/scripts/js/groups-clients.js b/scripts/js/groups-clients.js
index 1b3ef1ab..5d4e970c 100644
--- a/scripts/js/groups-clients.js
+++ b/scripts/js/groups-clients.js
@@ -29,8 +29,7 @@ function reloadClientSuggestions() {
       sel.append($("<option />"));
 
       // Add data obtained from API
-      for (let i = 0; i < data.clients.length; i++) {
-        const client = data.clients[i];
+      for (const client of data.clients) {
         let mockDevice = false;
         let text = client.hwaddr.toUpperCase();
         let key = text;
@@ -370,15 +369,11 @@ function addClient() {
   // - IPv6 address (with and without CIDR)
   // - MAC address (in the form AA:BB:CC:DD:EE:FF)
   // - host name (arbitrary form, we're only checking against some reserved characters)
-  for (let i = 0; i < ips.length; i++) {
-    if (
-      utils.validateIPv4CIDR(ips[i]) ||
-      utils.validateIPv6CIDR(ips[i]) ||
-      utils.validateMAC(ips[i])
-    ) {
+  for (const [index, ip] of ips.entries()) {
+    if (utils.validateIPv4CIDR(ip) || utils.validateIPv6CIDR(ip) || utils.validateMAC(ip)) {
       // Convert input to upper case (important for MAC addresses)
-      ips[i] = ips[i].toUpperCase();
-    } else if (!utils.validateHostname(ips[i])) {
+      ips[index] = ip.toUpperCase();
+    } else if (!utils.validateHostname(ip)) {
       utils.showAlert(
         "warning",
         "",
diff --git a/scripts/js/groups-domains.js b/scripts/js/groups-domains.js
index 679b63e3..ae7c56a7 100644
--- a/scripts/js/groups-domains.js
+++ b/scripts/js/groups-domains.js
@@ -503,12 +503,12 @@ function addDomain() {
 
   // Check if the wildcard checkbox was marked and transform the domains into regex
   if (kind === "exact" && wildcardChecked) {
-    for (let i = 0; i < domains.length; i++) {
+    for (const [index, domain] of domains.entries()) {
       // Strip leading "*." if specified by user in wildcard mode
-      if (domains[i].startsWith("*.")) domains[i] = domains[i].substr(2);
+      if (domain.startsWith("*.")) domains[index] = domain.substr(2);
 
       // Transform domain into a wildcard regex
-      domains[i] = "(\\.|^)" + domains[i].replaceAll(".", "\\.") + "$";
+      domains[index] = "(\\.|^)" + domains[index].replaceAll(".", "\\.") + "$";
     }
 
     kind = "regex";
diff --git a/scripts/js/network.js b/scripts/js/network.js
index ec548d0e..3db36c37 100644
--- a/scripts/js/network.js
+++ b/scripts/js/network.js
@@ -96,7 +96,6 @@ $(() => {
   tableApi = $("#network-entries").DataTable({
     rowCallback(row, data) {
       let color;
-      let index;
       let iconClasses;
       const lastQuery = Number.parseInt(data.lastQuery, 10);
       const diff = getTimestamp() - lastQuery;
@@ -153,19 +152,18 @@ $(() => {
         return a.ip.localeCompare(b.ip);
       });
 
-      for (index = 0; index < data.ips.length; index++) {
-        const ip = data.ips[index];
-        let iptext = ip.ip;
+      for (const { ip, name } of data.ips) {
+        let iptext = ip;
 
-        if (ip.name !== null && ip.name.length > 0) {
-          iptext = iptext + " (" + ip.name + ")";
+        if (name !== null && name.length > 0) {
+          iptext = `${iptext} (${name})`;
         }
 
         iptitles.push(iptext);
 
         // Only add IPs to the table if we have not reached the maximum
-        if (index < MAXIPDISPLAY) {
-          ips.push('<a href="queries?client_ip=' + ip.ip + '">' + iptext + "</a>");
+        if (ips.length < MAXIPDISPLAY) {
+          ips.push(`<a href="queries?client_ip=${ip}">${iptext}</a>`);
         }
       }
 
diff --git a/scripts/js/settings-teleporter.js b/scripts/js/settings-teleporter.js
index 560f11d2..623e5858 100644
--- a/scripts/js/settings-teleporter.js
+++ b/scripts/js/settings-teleporter.js
@@ -59,8 +59,8 @@ function importZIP() {
         $("#modal-import-success").show();
         $("#modal-import-success-title").text("Import successful");
         let text = "<p>Processed files:</p><ul>";
-        for (let i = 0; i < data.files.length; i++) {
-          text += "<li>" + utils.escapeHtml(data.files[i]) + "</li>";
+        for (const file of data.files) {
+          text += "<li>" + utils.escapeHtml(file) + "</li>";
         }
 
         text += "</ul>";