Learn ECMAScript - Second Edition

Terminating a single parent-worker connection

When this code is called, the connection between the parent and worker is shut down, and you'll no longer be able to make use of that worker object to post messages:

// script.jsconst awesomeworker = new SharedWorker('myworker.js');awesomeworker.port.start(); // some processing and some workawesomeworker.port.close();awesomeworker.port.postMessage("Are you still alive?"); // does not work | no effect

Although the worker still lives, it loses its connection from the script which calls .port.close().

After the connection is closed, the worker won't be able to send/receive messages from the main script. However, the main script can always call the shared web worker again by creating a new instance ...