Window innerWidth and innerHeight Property

# Window innerWidth and innerHeight Properties

Window Object

## Example

Get the window's height and width: (NOT including toolbars/scrollbars):

var w = window.innerWidth;
var h = window.innerHeight;
Try it yourself »

More "Try it Yourself" examples below.

## Definition and Usage

The innerWidth property returns the inner width of a window's content area.

The innerHeight property returns the inner height of a window's content area.

These properties are read-only.

Tip: Use the outerWidth and outerHeight properties to get the width/height with toolbars/scrollbars.

## Browser Support

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

Property |  |  |  |  |
--- | --- | --- | --- | --- | ---
innerWidth | 1.0 | 9.0 | 1.0 | 3.0 | 9.0
innerHeight | 1.0 | 9.0 | 1.0 | 3.0 | 9.0

Note: For IE8 and earlier, you can use the clientWidth and clientHeight properties (See "More Examples" below).

## Syntax

window.innerWidth
window.innerHeight

## Technical Details

Return Value: | A Number, representing the inner width and/or the inner height of the browser window's content area, in pixels

## More Examples

## Example

A cross-browser solution (using clientWidth and clientHeight for IE8 and earlier):

var w = window.innerWidth
|| document.documentElement.clientWidth
|| document.body.clientWidth;
var h = window.innerHeight
|| document.documentElement.clientHeight
|| document.body.clientHeight;
Try it yourself »

## Example

A demonstration of innerWidth, innerHeight, outerWidth and outerHeight in one example:

var txt = "";
txt += "<p>innerWidth: " + window.innerWidth + "</p>";
txt += "<p>innerHeight: " + window.innerHeight + "</p>";
txt += "<p>outerWidth: " + window.outerWidth + "</p>";
txt += "<p>outerHeight: " + window.outerHeight + "</p>";
Try it yourself »

Window Object

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