HTML Audio/Video DOM waiting Event

Alert that the video needs to buffer the next frame before it can start playing:

let vid = document.getElementById("myVideo");
vid.onwaiting = function() {
alert("Wait! I need to buffer the next frame");
};

Definition and Usage

The waiting event occurs when the video stops because it needs to buffer the next frame.

This event can also be used on <audio> elements, but it is mostly used for videos.

The numbers in the table specify the first browser version that fully supports the event.

Event
waiting	Yes	9.0	Yes	Yes	Yes

In HTML:

<audio|video onwaiting="myScript">Try it

In JavaScript:

audio|video.onwaiting=function(){myScript};Try it

In JavaScript, using the addEventListener() method:

audio|video.addEventListener("waiting", myScript);Try it

Supported HTML tags:	<audio> and <video>
Supported JavaScript objects:	Audio, Video