Node.js socket.setBroadcast() Method

The socket.setBroadcast() method is an inbuilt application programming interface of class Socket within dgram module which is used to set or clear the SO_BROADCAST socket option which helps the client in sending the datagram to a particular broadcast address.

Syntax:

const socket.setBroadcast( flag )

Parameters: This method takes the Boolean value as a parameter true for enabling the SO_BROADCAST socket option and false for disabling it.

Return Value: This method does not return any value.

Example 1: In this example, we will see the use of a socket.setBroadcast() Method

Filename: index.js

Output:

UDP String: Hello

Example 2: In this example, we will see the use of a socket.setBroadcast() Method

Filename: index.js

Output:

server listening 0.0.0.0:1234
UDP String: Hello

Run the index.js file using the following command:

node index.js

Reference: https://nodejs.org/dist/latest-v12.x/docs/api/dgram.html#dgram_socket_setbroadcast_flag