Node.js Buffer.equals() Method

The Buffer.equals() method is used to compare two buffer objects and returns True of both buffer objects are the same otherwise returns False.

Syntax:

buffer.equals( buf )

Parameters: This method accepts single parameter otherBuffer which holds the another buffer to compare with buffer object.

Return Value: This method returns True if both buffer objects are equal otherwise returns false.

Below examples illustrate the Buffer.equals() method in Node.js:

Example 1:

// Node.js program to demonstrate the
// Buffer.equals() Method

// Create two bufferes
var buf1 = Buffer.from('Hi');
var buf2 = Buffer.from('Hi');

// Prints true(boolean value)
console.log(buf1.equals(buf2));

Output:

true

Example 2:

// Node.js program to demonstrate the
// Buffer.equals() Method

// Create two bufferes
var buf1 = Buffer.from('Hi');
var buf2 = Buffer.from('Hello');

// Prints false(boolean value)
console.log(buf1.equals(buf2));

Output:

false

Reference: https://nodejs.org/api/buffer.html#buffer_buf_equals_otherbuffer