PerformanceEntry: Eigenschaft name

// Log durations of SVG resources
performance.getEntriesByType("resource").forEach((entry) => {
  if (entry.name.endsWith(".svg")) {
    console.log(`${entry.name}'s duration: ${entry.duration}`);
  }
});

// Log all marks named "debug-marks" at this point in time
const debugMarks = performance.getEntriesByName("debug-mark", "mark");
debugMarks.forEach((entry) => {
  console.log(`${entry.name}'s startTime: ${entry.startTime}`);
});

// PerformanceObserver version
// Log all marks named "debug-marks" when they happen
function perfObserver(list, observer) {
  list.getEntriesByName("debug-mark", "mark").forEach((entry) => {
    console.log(`${entry.name}'s startTime: ${entry.startTime}`);
  });
}
const observer = new PerformanceObserver(perfObserver);
observer.observe({ entryTypes: ["measure", "mark"] });