Node.js socket.dropMembership() Method

The socket.dropMembership() method is an inbuilt application programming interface of class Socket within dgram module which is used to make kernel leave a multicast group at the particular multicast address.

Syntax:

const socket.dropMembership(multicastAddress[, multicastInterface])

Parameters: This method takes the string representing of the multicast address and multicast interface as the parameter.

Return Value: This method does not return any value.

Example 1: In this example, we will see the use of socket.dropMembership() method

Filename: index.js

Output: 

UDP String: Hello

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