IFrame width Property
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
