HTML DOM IFrame width Property

# IFrame width Property

IFrame Object

## Example

Change the width of an iframe:

document.getElementById("myFrame").width = "400";
Try it yourself »

## Definition and Usage

The width property sets or returns the value of the width attribute in an iframe element.

The width attribute specifies the width of an iframe.

Tip: Use the height property to set or return the value of the height attribute in an iframe.

## Browser Support

The width property is supported in all major browsers.

## Syntax

Return the width property:

iframeObject.width

Set the width property:

iframeObject.width=pixels

## Property Values

Value | Description
--- | ---
pixels | The width in pixels (like "100px" or just "100")

## Technical Details

Return Value: | A String, representing the width of the iframe, in pixels

## More Examples

## Example

Return the width of an iframe:

var x = document.getElementById("myFrame").width;

The result of x will be:

250
Try it yourself »

## Example

Change the height and width of an iframe:

document.getElementById("myFrame").height = "400";
document.getElementById("myFrame").width = "400";
Try it yourself »

## Related Pages

HTML reference: HTML <iframe> width attribute

IFrame Object

### WEB HOSTING

UK Reseller Hosting

### WEB BUILDING

FREE Website BUILDER Free HTML5 Templates

### W3SCHOOLS EXAMS

HTML, CSS, JavaScript, PHP, jQuery, XML, and ASP Certifications

### SHARE THIS PAGE

### Color Picker

### HTML/CSS

HTML Tutorial HTML5 Tutorial CSS Tutorial CSS3 Tutorial Bootstrap Tutorial

### JavaScript

JavaScript Tutorial jQuery Tutorial jQuery Mobile Tutorial AngularJS Tutorial AJAX Tutorial JSON Tutorial

### Graphics

Canvas Tutorial SVG Tutorial Google Maps Tutorial

### Server Side

SQL Tutorial PHP Tutorial ASP Tutorial ASP.NET Tutorial VBScript Tutorial AppML Tutorial

### Web

Web Building Web Statistics Web Certification

### XML

XML Tutorial DTD Tutorial Schema Tutorial XML DOM Tutorial XPath Tutorial XSLT Tutorial XQuery Tutorial XSL-FO Tutorial RSS Tutorial WSDL Tutorial

### HTML/CSS

HTML Tag Reference HTML Event Reference HTML Color Reference CSS 1,2,3 Reference Bootstrap Reference

### JavaScript

JavaScript Reference HTML DOM Reference jQuery Reference jQuery Mobile Reference Google Maps Reference

### Server Side

PHP Reference SQL Reference ASP Reference VBScript Reference Razor Reference ASP.NET Reference

### XML

XML DOM Reference XSLT Reference XSL-FO Reference XPath Reference XQuery Reference Schema Reference RSS Reference SVG Reference

### HTML Charsets

HTML Character Sets HTML ASCII HTML ANSI HTML Windows-1252 HTML ISO-8859-1 HTML Symbols HTML UTF-8

### HTML/CSS

HTML Examples CSS Examples

### Browser Scripting

JavaScript Examples HTML DOM Examples jQuery Examples jQuery Mobile Examples AngularJS Examples AJAX Examples

### Server Scripting

PHP Examples ASP Examples VBScript Examples Razor Examples .NET Examples

### XML Languages

XML Examples DTD Examples XML DOM Examples XSL Examples XSLT Examples XPath Examples XQuery Examples Schema Examples RSS Examples SVG Examples