diff --git a/vs/node/README.md b/vs/node/README.md
new file mode 100644
index 00000000..63deb0dc
--- /dev/null
+++ b/vs/node/README.md
@@ -0,0 +1,5 @@
+### REF
+https://www.reddit.com/r/webdev/comments/qd14bm/node_17_currently_breaks_most_webpack/
+https://webpack.js.org/plugins/hashed-module-ids-plugin/
+https://github.com/angular/angular-cli/issues/1656
+https://stackoverflow.com/questions/69692842/error-message-error0308010cdigital-envelope-routinesunsupported
diff --git a/vs/node/hash.js b/vs/node/hash.js
new file mode 100644
index 00000000..0ef14f06
--- /dev/null
+++ b/vs/node/hash.js
@@ -0,0 +1,15 @@
+const crypto = require('crypto');
+
+function generateHash(data, algo) {
+    const hash = crypto.createHash(algo);
+    hash.update(data);
+    const hashedData = hash.digest('hex');
+
+    return hashedData;
+}
+
+const testData = 'Hello, World!';
+const hashedData = generateHash(testData, "md4");//"md5", "sha256", "sha512" ... are fine.
+
+console.log('Original Data:', testData);
+console.log('Hash:', hashedData);
diff --git a/vs/node/n16_fine.sh b/vs/node/n16_fine.sh
new file mode 100755
index 00000000..109c5d11
--- /dev/null
+++ b/vs/node/n16_fine.sh
@@ -0,0 +1,7 @@
+NODE_VERSION=v16.20.2
+
+source /Users/hoaphan/.nvm/nvm.sh
+nvm install $NODE_VERSION
+nvm use $NODE_VERSION
+
+node hash.js
\ No newline at end of file
diff --git a/vs/node/n17_broken.sh b/vs/node/n17_broken.sh
new file mode 100755
index 00000000..f8f5fb73
--- /dev/null
+++ b/vs/node/n17_broken.sh
@@ -0,0 +1,7 @@
+NODE_VERSION=v17.0.0
+
+source /Users/hoaphan/.nvm/nvm.sh
+nvm install $NODE_VERSION
+nvm use $NODE_VERSION
+
+node hash.js
\ No newline at end of file