diff --git a/README.md b/README.md
index 86c0bcb..de97960 100644
--- a/README.md
+++ b/README.md
@@ -66,12 +66,52 @@ You can also see live demo [here](https://virt.moe/cferr/examples/default).
 
 A demo server using Flask is also available in [flask_demo.py](examples/flask_demo.py).
 
-### Node.js/NPM
+### JavaScript/NodeJS
 
-A Node.js package is available in [nodejs](nodejs) folder. However currently it supports only Node.js but not web browsers,
-and we plan to refactor it into a shared package, so it can work in both environments.
+Install the `cloudflare-error-page` package using npm:
 
-(Thanks [@junduck](https://github.com/junduck) for creating this.)
+``` Bash
+npm install cloudflare-error-page
+```
+
+The following example demonstrates how to create a simple Express server and return the error page to visitors.
+
+``` JavaScript
+import express from 'express';
+import { render as render_cf_error_page } from 'cloudflare-error-page';
+
+const app = express();
+const port = 3000;
+
+// Define a route for GET requests to the root URL
+app.get('/', (req, res) => {
+  res.status(500).send(render_cf_error_page({
+    title: "Internal server error",
+    // Browser status is ok
+    browser_status: {
+        status: 'ok',
+    },
+    // Cloudflare status is error
+    cloudflare_status: {
+        status: 'error',
+        status_text: 'Error',
+    },
+    // Host status is also ok
+    host_status: {
+        status: 'ok',
+        location: 'example.com',
+    },
+    error_source: "cloudflare",
+  }));
+});
+
+// Start the server and listen on the specified port
+app.listen(port, () => {
+  console.log(`Example app listening at http://localhost:${port}`);
+});
+```
+
+(Thanks [@junduck](https://github.com/junduck) for creating the original NodeJS version.)
 
 ### PHP
 
diff --git a/javascript/README.md b/javascript/README.md
index 3d37467..3626419 100644
--- a/javascript/README.md
+++ b/javascript/README.md
@@ -11,7 +11,7 @@ npm install cloudflare-error-page
 Or install from GitHub:
 
 ```bash
-npm install git+https://github.com/donlon/cloudflare-error-page.git#main:nodejs
+npm install git+https://github.com/donlon/cloudflare-error-page.git#javascriptnodejs
 ```
 
 ## Quick Start
@@ -34,7 +34,7 @@ fs.writeFileSync('error.html', errorPage);
 
 ## API Reference
 
-### `render(params: ErrorPageParams, allowHtml?: boolean): string`
+### `render(params: ErrorPageParams, allowHtml?: boolean, moreArgs?: { [name: string]: any; }): string`
 
 Generates an HTML error page based on the provided parameters.
 
@@ -42,6 +42,7 @@ Generates an HTML error page based on the provided parameters.
 
 - `params`: An object containing error page configuration
 - `allowHtml` (optional): Whether to allow HTML in `what_happened` and `what_can_i_do` fields. Default: `true`
+- `moreArgs` (optional): More arguments passed to the ejs template
 
 #### ErrorPageParams Interface
 
diff --git a/javascript/src/index.ts b/javascript/src/index.ts
index 6a96a97..8c2d99c 100644
--- a/javascript/src/index.ts
+++ b/javascript/src/index.ts
@@ -70,7 +70,7 @@ function genHexString(digits: number): string {
  * Render a customized Cloudflare error page
  * @param params - The parameters for the error page
  * @param allowHtml - Whether to allow HTML in what_happened and what_can_i_do fields (default: true)
- * @param moreArgs - More arguments passed to ejs template
+ * @param moreArgs - More arguments passed to the ejs template
  * @returns The rendered HTML string
  */
 export function render(