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59 lines
1.6 KiB
HTML
59 lines
1.6 KiB
HTML
<!--
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Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/
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-->
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test for SharedWorker</title>
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</head>
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<body>
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<script type="text/javascript">
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"use strict";
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function postMessageToParentOrOpener(message) {
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if (parent != window) {
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parent.postMessage(message, "*");
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}
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}
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function debug(message) {
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if (typeof(message) != "string") {
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throw new Error("debug() only accepts strings!");
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}
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postMessageToParentOrOpener(message);
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}
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let worker;
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window.addEventListener("message", function(event) {
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if (!worker) {
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worker = new SharedWorker("multi_sharedWorker_sharedWorker.js",
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"FrameWorker");
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worker.onerror = function(error) {
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debug("Worker error: " + error.message);
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error.preventDefault();
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let data = {
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type: "error",
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message: error.message,
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filename: error.filename,
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lineno: error.lineno,
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isErrorEvent: error instanceof ErrorEvent
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};
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postMessageToParentOrOpener(data);
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};
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worker.port.onmessage = function(msg) {
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debug("Worker message: " + JSON.stringify(msg.data));
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postMessageToParentOrOpener(msg.data);
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};
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}
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debug("Posting message: " + JSON.stringify(event.data));
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worker.port.postMessage(event.data);
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});
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</script>
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</body>
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</html>
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