Theratechange event is fired when the playback rate has changed.

This event is not cancelable and does not bubble.

Syntax

Use the event name in methods likeaddEventListener(), or set an event handler property.

addEventListener("ratechange", (event) => { })onratechange = (event) => { }

Event type

A genericEvent.

Examples

These examples add an event listener for the HTMLMediaElement'sratechange event, then post a message when that event handler has reacted to the event firing.

UsingaddEventListener():

const video = document.querySelector("video");video.addEventListener("ratechange", (event) => {  console.log("The playback rate changed.");});

Using theonratechange event handler property:

const video = document.querySelector("video");video.onratechange = (event) => {  console.log("The playback rate changed.");};

Specifications

Browser compatibility

Related Events

• The HTMLMediaElementplaying event
• The HTMLMediaElementwaiting event
• The HTMLMediaElementseeking event
• The HTMLMediaElementseeked event
• The HTMLMediaElementended event
• The HTMLMediaElementloadedmetadata event
• The HTMLMediaElementloadeddata event
• The HTMLMediaElementcanplay event
• The HTMLMediaElementcanplaythrough event
• The HTMLMediaElementdurationchange event
• The HTMLMediaElementtimeupdate event
• The HTMLMediaElementplay event
• The HTMLMediaElementpause event
• The HTMLMediaElementvolumechange event
• The HTMLMediaElementsuspend event
• The HTMLMediaElementemptied event
• The HTMLMediaElementstalled event

See also

• HTMLAudioElement
• HTMLVideoElement
• <audio>
• <video>