How to use parentNumEntries method in wpt

Best JavaScript code snippet using wpt

resource_nested_dedicated_worker.worker.js

Source: resource_nested_dedicated_worker.worker.js Github

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1importScripts("/​resources/​testharness.js");2async_test(async function() {3 const worker = new Worker('resources/​worker_with_images.js');4 worker.onmessage = this.step_func_done((event) => {5 const childNumEntries = event.data;6 assert_equals(2, childNumEntries,7 "There should be two resource timing entries: 2 image XHRs");8 const parentNumEntries = performance.getEntries().length;9 assert_equals(2, parentNumEntries,10 "There should be two resource timing entries: " +11 "one is for importScripts() and the another is for a nested worker");12 worker.terminate();13 });14}, "Resource timing for nested dedicated workers");...

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