diff --git a/README.md b/README.md
index b9dce510e..18061ae8f 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,9 @@ The npm package supports Node.js `>=20.17`. It uses bundled Node-API
 prebuilds when available and falls back to a local `node-gyp` build when the
 current platform does not have a matching prebuild.
 
+Bun and Deno can also use the npm package through their npm compatibility
+support.
+
 To install the npm CLI:
 
 ```sh
@@ -98,7 +101,20 @@ async function main() {
 }
 ```
 
-See [demo.js](https://github.com/BYVoid/OpenCC/blob/master/node/demo.js) and [ts-demo.ts](https://github.com/BYVoid/OpenCC/blob/master/node/ts-demo.ts).
+Inline configurations can be passed with `OpenCC.fromConfig`:
+
+```ts
+import { OpenCC } from 'opencc';
+const converter = OpenCC.fromConfig({
+  name: 'Demo Inline Config',
+  conversion_chain: [{
+    dict: { type: 'inline', entries: { '鼠标': '滑鼠' } },
+  }],
+});
+console.log(converter.convertSync('鼠标'));  // 滑鼠
+```
+
+See [demo.js](https://github.com/BYVoid/OpenCC/blob/master/node/demo.js) and [demo.ts](https://github.com/BYVoid/OpenCC/blob/master/node/demo.ts).
 
 ### Python
 
diff --git a/node/demo.js b/node/demo.js
index e86a743e0..3e0a61b9d 100644
--- a/node/demo.js
+++ b/node/demo.js
@@ -26,23 +26,50 @@
  */
 
 // In your project you should replace './opencc' with 'opencc'
-const OpenCC = require('./opencc');
+const { OpenCC } = require('./opencc');
 
-console.log('OpenCC version', OpenCC.version);
+const input = '汉字';
 
-// Load the default Simplified to Traditional config
-const opencc = new OpenCC('s2t.json');
+async function main() {
+  console.log('OpenCC version', OpenCC.version);
 
-// Sync API
-const converted = opencc.convertSync("汉字");
-console.log(converted);
+  const converter = new OpenCC('s2t.json');
 
-// Async API
-opencc.convert("汉字", (err, converted) => {
-  console.log(err, converted);
-});
+  console.log('Sync API:', converter.convertSync(input));
+
+  const callbackResult = await new Promise((resolve, reject) => {
+    converter.convert(input, (err, converted) => {
+      if (err) {
+        reject(new Error(err));
+        return;
+      }
+      resolve(converted);
+    });
+  });
+  console.log('Callback API:', callbackResult);
+
+  console.log('Promise API:', await converter.convertPromise(input));
+
+  const config = {
+    name: 'Demo Inline Config',
+    conversion_chain: [
+      {
+        dict: {
+          type: 'inline',
+          entries: {
+            '鼠标': '滑鼠',
+            '软件': '軟體',
+          },
+        },
+      },
+    ],
+  };
+
+  const inlineConverter = OpenCC.fromConfig(config);
+  console.log('Inline config:', inlineConverter.convertSync('鼠标和软件'));
+}
 
-// Async API with Promise
-opencc.convertPromise("汉字").then(converted => {
-  console.log(converted);
+main().catch((err) => {
+  console.error(err);
+  process.exitCode = 1;
 });
diff --git a/node/demo.ts b/node/demo.ts
new file mode 100644
index 000000000..9d9114950
--- /dev/null
+++ b/node/demo.ts
@@ -0,0 +1,73 @@
+/**
+ * @file
+ * Example of Node.js API.
+ *
+ * @license
+ * Open Chinese Convert
+ *
+ * Copyright 2010-2026 Carbo Kuo and contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { OpenCC, OpenCCConfig } from './opencc';
+
+declare const process: {
+  exitCode?: number;
+};
+
+const input = '汉字';
+
+async function main(): Promise<void> {
+  console.log('OpenCC version', OpenCC.version);
+
+  const converter = new OpenCC('s2t.json');
+
+  console.log('Sync API:', converter.convertSync(input));
+
+  const callbackResult = await new Promise<string>((resolve, reject) => {
+    converter.convert(input, (err: string | undefined, converted: string) => {
+      if (err) {
+        reject(new Error(err));
+        return;
+      }
+      resolve(converted);
+    });
+  });
+  console.log('Callback API:', callbackResult);
+
+  console.log('Promise API:', await converter.convertPromise(input));
+
+  const config: OpenCCConfig = {
+    name: 'Demo Inline Config',
+    conversion_chain: [
+      {
+        dict: {
+          type: 'inline',
+          entries: {
+            '鼠标': '滑鼠',
+            '软件': '軟體',
+          },
+        },
+      },
+    ],
+  };
+
+  const inlineConverter = OpenCC.fromConfig(config);
+  console.log('Inline config:', inlineConverter.convertSync('鼠标和软件'));
+}
+
+main().catch((err: unknown) => {
+  console.error(err);
+  process.exitCode = 1;
+});
diff --git a/node/ts-demo.ts b/node/ts-demo.ts
deleted file mode 100644
index 96a4603b3..000000000
--- a/node/ts-demo.ts
+++ /dev/null
@@ -1,31 +0,0 @@
-/**
- * @file
- * Example of Node.js API.
- *
- * @license
- * Open Chinese Convert
- *
- * Copyright 2010-2026 Carbo Kuo and contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-import { OpenCC } from './opencc';
-
-async function main() {
-  const converter: OpenCC = new OpenCC('s2t.json');
-  const result: string = await converter.convertPromise('汉字');
-  console.log(result);
-}
-
-main();