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HTMLVideoElement: resize event

Baseline

Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

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The resize event of the HTMLVideoElement interface fires when one or both of the videoWidth and videoHeight properties have just been updated.

This event is not cancelable but may bubble.

Syntax

Use the event name in addEventListener():

addEventListener("resize", (event) => { })

Alternatively, assign to the event handler property of the interface:

onresize = (event) => { }

Event type

A generic Event.

Examples

html

<video id="media" src="https://example.com/video.mp4"></video>

const el = document.getElementById("media");
el.addEventListener("resize", () => {
  console.log("The size of the video element has changed!");
});

Specifications

Specification
HTML # event-media-resize
HTML # handler-onresize

Browser compatibility

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This page was last modified on Oct 26, 2026 by MDN contributors.

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