03-high-order-array-methods/07-valid-ipv4/valid-ipv4.js

Author: Misgana-design

03-high-order-array-methods/07-valid-ipv4/valid-ipv4.js

@@ -1,3 +1,11 @@
-const isValidIPv4 = () => {};
+const isValidIPv4 = (ip) => {
+  const octets = ip.split(".");
+  if (!(octets.length === 4)) return false;
+
+  return octets.every((octet) => {
+    const num = parseInt(octet);
+    return num >= 0 && num <= 255 && octet === num.toString();
+  });
+};
 
 module.exports = isValidIPv4;