14 lines
420 B
JavaScript
14 lines
420 B
JavaScript
/* Any copyright is dedicated to the Public Domain.
|
|
http://creativecommons.org/publicdomain/zero/1.0/ */
|
|
|
|
onmessage = function (pingEvt) {
|
|
if (pingEvt.data == "ping") {
|
|
let { port1, port2 } = new MessageChannel();
|
|
port2.onmessage = helloEvt => {
|
|
if (helloEvt.data == "hello") {
|
|
helloEvt.ports[0].postMessage("goodbye");
|
|
}
|
|
};
|
|
pingEvt.ports[0].postMessage("pong", [port1]);
|
|
}
|
|
};
|