diff --git a/content/_code-samples/key-derivation/js/README.md b/content/_code-samples/key-derivation/js/README.md
new file mode 100644
index 0000000000..224c384462
--- /dev/null
+++ b/content/_code-samples/key-derivation/js/README.md
@@ -0,0 +1,21 @@
+# JavaScript key derivation examples
+
+Generates key from a given input in Ed25519 and Secp256k1 format
+
+## Command-line usage:
+
+### Password like seed    
+
+    npm start "sEdSKaCy2JT7JaM7v95H9SxkhP9wS2r"
+
+### Rippled RFC1751 Mnemonic
+
+    npm start "KANT FISH GENE COST WEB JAKE CHUM HAD SOD MID KICK BOTH"
+
+### Hex formatted seed
+
+    npm start "0x21edc3dec3ef1873cf8f333381c5f360c3"
+
+### Random seed
+
+    npm start
\ No newline at end of file
diff --git a/content/_code-samples/key-derivation/js/index.js b/content/_code-samples/key-derivation/js/index.js
index 237f25c8ef..07f4c91bf2 100644
--- a/content/_code-samples/key-derivation/js/index.js
+++ b/content/_code-samples/key-derivation/js/index.js
@@ -176,12 +176,12 @@ class Seed {
             Seed (hex): ${hexSeed}
             Seed (rippled RFC-1751): ${rfc1751Rippled}
             
-            Ed25519 Secret Key (hex): ${seed.ED25519Keypair.privateKey}
-            Ed25519 Public Key (hex): ${seed.ED25519Keypair.publicKey}
+            Ed25519 Secret Key (hex): ${this.ED25519Keypair.privateKey}
+            Ed25519 Public Key (hex): ${this.ED25519Keypair.publicKey}
             Ed25519 Public Key (base58 - Account): ${base58ED25519Account}
             
-            secp256k1 Secret Key (hex): ${seed.Secp256K1Keypair.privateKey}
-            secp256k1 Public Key (hex): ${seed.Secp256K1Keypair.publicKey}
+            secp256k1 Secret Key (hex): ${this.Secp256K1Keypair.privateKey}
+            secp256k1 Public Key (hex): ${this.Secp256K1Keypair.publicKey}
             secp256k1 Public Key (base58 - Account): ${base58Secp256k1Account}
             secp256k1 Public Key (base58 - Validator): ${base58Secp256k1AccountValidator}
         `
@@ -190,12 +190,21 @@ class Seed {
     }
 }
 
+if (process.argv[2] !== undefined) {
+    console.log(process.argv[2]);
+    const seed = new Seed(process.argv[2]);
+    console.log(seed.toString())
+} else {
+    const seed = new Seed();
+    console.log(seed.toString())
+}
+
 //from empty seed
 //const seed = new Seed();
 //console.log(seed.toString());
 
 //from hex formatted seed
-//const hexSeed = '0x21edc3dec3ef1873cf8f333381c5f360c3'
+//const hexSeed = "0x21edc3dec3ef1873cf8f333381c5f360c3"
 //const seed = new Seed(hexSeed);
 //console.log(seed.toString());
 
@@ -205,6 +214,6 @@ class Seed {
 //console.log(seed.toString());
 
 //from fixed seed
-const string = "sEdSKaCy2JT7JaM7v95H9SxkhP9wS2r"
-const seed = new Seed(string);
-console.log(seed.toString());
+//const string = "sEdSKaCy2JT7JaM7v95H9SxkhP9wS2r"
+//const seed = new Seed(string);
+//console.log(seed.toString());