Function wait

test/fixtures/wpt/performance-timeline/performanceobservers.js:25–29

()

// Waits for performance.now to advance. Since precision reduction might
// cause it to return the same value across multiple calls.
function wait() {
  var now = performance.now();
  while (now === performance.now())
    continue;
}

// Ensure the entries list is sorted by startTime.
function checkSorted(entries) {