performance.clearMeasures()

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since September 2015.

El método clearMeasures() elimina la medida llamada del búfer de rendimiento de entrada, si el método es llamado sin argumentos, todos los performance entries con un entry type de "measure" serán eliminados del búfer de rendimiento de entrada.

Nota: Esta característica está disponible en Web Workers.

Sintaxis

performance.clearMeasures();
performance.clearMeasures(name);

Argumentos

nombre Opcional

Un DOMString representando el nombre de la marca de tiempo. Si el argumento se omite, todos los performance entries con un entry type de "measure" serán eliminados.

Valor de retorno

Ninguno

Ejemplo

En el siguiente ejemplo se muestran los dos usos del método clearMeasures() .

js
// Create a small helper to show how many PerformanceMeasure entries there are.
function logMeasureCount() {
  console.log(
    "Found this many entries: " +
      performance.getEntriesByType("measure").length,
  );
}

// Create a bunch of measures.
performance.measure("from navigation");
performance.mark("a");
performance.measure("from mark a", "a");
performance.measure("from navigation");
performance.measure("from mark a", "a");
performance.mark("b");
performance.measure("between a and b", "a", "b");

logMeasureCount(); // "Found this many entries: 5"

// Delete just the "from navigation" PerformanceMeasure entries.
performance.clearMeasures("from navigation");
logMeasureCount(); // "Found this many entries: 3"

// Delete all of the PerformanceMeasure entries.
performance.clearMeasures();
logMeasureCount(); // "Found this many entries: 0"

Especificaciones

Specification
User Timing Level 3
# dom-performance-clearmeasures

Compatibilidad con navegadores

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