HTML DOM Video height Property

# Video height Property

Video Object

## Example

Change the height of a video:

document.getElementById("myVideo").height = "500";
Try it yourself »

## Definition and Usage

The height property sets or returns the value of the height attribute of a video.

The height attribute specifies the height of a video, in pixels.

Tip: Always specify both the height and width attributes for videos. If height and width are set, the space required for the video is reserved when the page is loaded. However, without these attributes, the browser does not know the size of the video, and cannot reserve the appropriate space to it. The effect will be that the page layout will change during loading (while the video loads).

Note: Do not rescale video with the height and width attributes! Downsizing a large video with the height and width attributes forces a user to download the original video (even if it looks small on the page). The correct way to rescale a video is with a program, before using it on a page.

## Browser Support

The height property is supported in all major browsers.

Note: Internet Explorer 8 and earlier versions, do not support the <video> element.

## Syntax

Return the height property:

videoObject.height

Set the height property:

videoObject.height=pixels

## Property Values

Value | Description
--- | ---
pixels | Specifies the height of the video, in pixels (i.e. width="100")

## Technical Details

Return Value: | A Number, representing the height of the video, in pixels

## More Examples

## Example

Get the height of the video:

var x = document.getElementById("myVideo").height;

The result of x will be:

240
Try it yourself »

## Related Pages

HTML reference: HTML <video> height attribute

Video Object

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