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---
title: PerformanceLongTaskTiming
slug: Web/API/PerformanceLongTaskTiming
tags:
- API
- Interface
- Long Tasks API
- PerformanceLongTaskTiming
- Reference
translation_of: Web/API/PerformanceLongTaskTiming
---
{{SeeCompatTable}}{{APIRef("Long Tasks")}}
L'interface **`PerformanceLongTaskTiming`** de [l'API _Long Tasks_](/fr/docs/Web/API/Long_Tasks_API) signale les instances de tâches longues.
{{InheritanceDiagram}}
## Propriétés
- [`PerformanceLongTaskTiming`](/fr/docs/Web/API/PerformanceLongTaskTiming) _lecture seule_ {{ExperimentalBadge}}
- : Retourne une séquence d'instances [`TaskAttributionTiming`](/fr/docs/Web/API/TaskAttributionTiming).
## Spécifications
| Spécification | Statut | Commentaire |
| -------------------------------------------------------------------------------------------------------------------- | -------------------------------- | -------------------- |
| {{SpecName('Long Tasks','#sec-PerformanceLongTaskTiming','PerformanceLongTaskTiming')}} | {{Spec2('Long Tasks')}} | Définition initiale. |
## Compatibilité des navigateurs
{{Compat("api.PerformanceLongTaskTiming")}}
|
