Button calculte IPs is not working and the button Copy to clipboard either

script.js

@@ -11,7 +11,6 @@ document.addEventListener('DOMContentLoaded', function() {
     const outputContainer = document.getElementById('outputContainer');
     const emailOutput = document.getElementById('emailOutput');
     const copyBtn = document.getElementById('copyBtn');
-
     // Toggle between service types
     internetBtn.addEventListener('click', function() {
         internetBtn.classList.add('bg-blue-600', 'text-white');
@@ -21,8 +20,10 @@ document.addEventListener('DOMContentLoaded', function() {
         internetForm.classList.remove('hidden');
         l2lForm.classList.add('hidden');
         outputContainer.classList.add('hidden');
-});
-}
+    });
+
+    // Initialize Feather Icons
+    feather.replace();
 l2lBtn.addEventListener('click', function() {
         l2lBtn.classList.add('bg-blue-600', 'text-white');
         l2lBtn.classList.remove('bg-gray-200', 'text-gray-800');
@@ -99,10 +100,9 @@ l2lBtn.addEventListener('click', function() {
         }
         outputContainer.classList.remove('hidden');
     });
-    // Copy table to clipboard - ensure button is properly initialized
+    // Copy table to clipboard
     const copyTableBtn = document.getElementById('copyTableBtn');
-    if (copyTableBtn) {
-        copyTableBtn.addEventListener('click', function() {
+    copyTableBtn.addEventListener('click', function() {
 let tableText = 'Type\tIP Address\tSubnet Mask\n';
         const rows = ipTableBody.querySelectorAll('tr');
         
@@ -120,9 +120,8 @@ let tableText = 'Type\tIP Address\tSubnet Mask\n';
             }, 2000);
         });
     }
-    // Copy email to clipboard - ensure button is properly initialized
-    if (copyBtn) {
-        copyBtn.addEventListener('click', function() {
+    // Copy email to clipboard
+    copyBtn.addEventListener('click', function() {
 const textToCopy = emailOutput.textContent;
 navigator.clipboard.writeText(textToCopy).then(() => {
             const originalText = copyBtn.innerHTML;
@@ -133,8 +132,8 @@ navigator.clipboard.writeText(textToCopy).then(() => {
             }, 2000);
         });
     });
-    // Helper functions - add null checks for DOM elements
-    function addTableRow(type, ip, mask) {
+    // Helper functions
+function addTableRow(type, ip, mask) {
         if (!ipTableBody) return;
         const row = document.createElement('tr');
 row.innerHTML = `
@@ -193,7 +192,6 @@ ipTableBody.appendChild(row);
         return ipArray.join('.');
     }
     function generateInternetEmail() {
-        if (!emailOutput) return;
 const client = document.getElementById('client').value;
         const serviceNumber = document.getElementById('serviceNumber').value;
         const address = document.getElementById('address').value;
@@ -255,7 +253,6 @@ emailOutput.textContent = emailText;
         feather.replace();
 }
     function generateL2LEmail() {
-        if (!emailOutput) return;
 const client = document.getElementById('l2lClient').value;
         const serviceNumber = document.getElementById('l2lServiceNumber').value;
         const bandwidth = document.getElementById('l2lBandwidth').value;