diff --git a/doc/api/buffer.md b/doc/api/buffer.md
index c72590cb71538c..30d272c5ced5ae 100644
--- a/doc/api/buffer.md
+++ b/doc/api/buffer.md
@@ -538,6 +538,17 @@ added:
 Creates and returns a new `Blob` containing a subset of this `Blob` objects
 data. The original `Blob` is not altered.
 
+#### `blob.bytes()`
+
+The `blob.bytes()` method returns the byte of the `Blob` object as a `Promise<Uint8Array>`.
+
+```js
+const blob = new Blob(['hello']);
+blob.bytes().then((bytes) => {
+  console.log(bytes); // Outputs: Uint8Array(5) [ 104, 101, 108, 108, 111 ]
+});
+```
+
 ### `blob.stream()`
 
 <!-- YAML