blob: c8976f79e1915032557a214eb2dc454c1b208a61 (
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self.onmessage = (evt) => {
console.log("Target from self.onmessage:", String(evt.target));
};
self.addEventListener("message", (evt) => {
console.log("Target from message event listener:", String(evt.target));
// Throw an error here so the global's error event will fire.
throw new Error("Some error message");
});
self.onerror = (...args) => {
console.log("Arguments from self.onerror:", args);
return true;
};
self.addEventListener("error", (evt) => {
// Returning true from self.onerror means that subsequent event listeners
// should see the event as canceled.
console.log("Is event canceled?:", evt.defaultPrevented);
self.close();
});
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