BufferConstructor.isBuffer - buffer - Node

method BufferConstructor.isBuffer

Usage in Deno

import { type BufferConstructor } from "node:buffer";



BufferConstructor.isBuffer(obj: any): obj is Buffer

Returns true if obj is a Buffer, false otherwise.

import { Buffer } from 'node:buffer';

Buffer.isBuffer(Buffer.alloc(10)); // true
Buffer.isBuffer(Buffer.from('foo')); // true
Buffer.isBuffer('a string'); // false
Buffer.isBuffer([]); // false
Buffer.isBuffer(new Uint8Array(1024)); // false

Parameters



obj: any

Return Type

obj is Buffer