HTMLVideoElement: resize event

Baseline

Widely available

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

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 methods like addEventListener(), or set an event handler property.

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

onresize = (event) => { }

A generic Event.

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!");
});

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

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This page was last modified on May 2, 2025 by MDN contributors.