Replace IP length magic number with named constant in both pages

Agent-Logs-Url: https://github.com/th30d4y/IP/sessions/6013f9b8-efa5-4d7e-a703-44d539e8bb47

Co-authored-by: Stalin-143 <161853795+Stalin-143@users.noreply.github.com>

Author: Copilot

both.html

@@ -51,6 +51,8 @@ <h1>IP Reputation Checker - Both Services</h1>
             container.appendChild(p);
         }
 
+        const MAX_IP_LENGTH = 45;
+
         async function checkBoth() {
             const ip = document.getElementById("ipInput").value.trim();
             const resultDiv = document.getElementById("result");
@@ -60,7 +62,7 @@ <h1>IP Reputation Checker - Both Services</h1>
                 return;
             }
 
-            if (ip.length > 45) {
+            if (ip.length > MAX_IP_LENGTH) {
                 resultDiv.textContent = "IP address is too long.";
                 return;
             }

public/both.html

@@ -51,6 +51,8 @@ <h1>IP Reputation Checker - Both Services</h1>
             container.appendChild(p);
         }
 
+        const MAX_IP_LENGTH = 45;
+
         async function checkBoth() {
             const ip = document.getElementById("ipInput").value.trim();
             const resultDiv = document.getElementById("result");
@@ -60,7 +62,7 @@ <h1>IP Reputation Checker - Both Services</h1>
                 return;
             }
 
-            if (ip.length > 45) {
+            if (ip.length > MAX_IP_LENGTH) {
                 resultDiv.textContent = "IP address is too long.";
                 return;
             }