registry.window.js

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /timing-entrytypes-registry/registry.window.html - WPT Dashboard Interop Dashboard

// META: script=resources/utils.js

test(() => {

  assert_true(!!self.PerformanceObserver, "PerformanceObserver");

  assert_true(!!self.PerformanceObserver.supportedEntryTypes,

              "PerformanceObserver.supportedEntryTypes");

}, "PerformanceObserver.supportedEntryTypes exists");

// UPDATE HERE if new entry

  [ "navigation", "PerformanceNavigationTiming" ],

  [ "paint", "PerformancePaintTiming" ],

  [ "longtask", "PerformanceLongTaskTiming" ],

].forEach(test_support);

// UPDATE BELOW to ensure the entry gets created

// paint

if (self.document) document.head.parentNode.appendChild(document.createTextNode('text inserted on purpose'));

// longtask

function syncWait(waitDuration) {

  if (waitDuration <= 0)

    return;

  const startTime = performance.now();

  let unused = '';

  for (let i = 0; i < 10000; i++)

    unused += '' + Math.random();

  return syncWait(waitDuration - (performance.now() - startTime));

syncWait(50);