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¿Cómo puedo comprobar si ya existe un prototipo de audio en caché?

Estoy creando un proyecto de piano y tocando las notas a través de New Audio . Hasta ahora todo bien, el problema es que en cada pausa de 20 segundos que aparentemente doy cuando hago clic en la tecla nuevamente, el audio se inserta nuevamente en el caché. ¿Cómo puedo verificar si el audio que estoy tratando de insertar ya está en caché?

ejemplo:

 var url = 'audio.mp4'; var audio_ = new Audio(url); onclick = function(){ //It is added back into cache (visible on the inspector's network) var newAU_ = new Audio(url); newAU_.play(); } 

 var url = 'http://www.mairovergara.com/wp-content/uploads/2015/11/3-Loose-tarantula-prompts-Delta-to-call-off-flight.mp3?_=3'; var audio_ = new Audio(url); onclick = function(){ //It is added back into cache (visible on the inspector's network) var newAU_ = new Audio(url); newAU_.play(); // Check the inspector's network, reload code snippet balow or wait a few moments and click on the window again and see that the audio is inserted again }

about 4 years ago · Juan Pablo Isaza
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