HTML Audio/Video DOM canplay Event

Alert that the video is ready to start playing:

let vid = document.getElementById("myVideo");
vid.oncanplay = function() {
alert("Can start playing video");
};

More "Try it Yourself" examples below.

Definition and Usage

The canplay event occurs when the browser can start playing the specified audio/video (when it has buffered enough to begin).

During the loading process of an audio/video, the following events occur, in this order:

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

Event
canplay	Yes	9.0	Yes	Yes	Yes

In HTML:

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

In JavaScript:

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

In JavaScript, using the addEventListener() method:

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

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

Alert that the audio is ready to start playing:

let aud = document.getElementById("myAudio");
aud.oncanplay = function() {
alert("Can start playing audio");
};