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