HTML width Attribute

Definition and Usage

The width attribute specifies the width of the element, in pixels.

Note: For input elements, the width attribute is used only with <input type="image">.

Applies to

The width attribute can be used on the following elements:

Elements	Attribute
<canvas>	width
<embed>	width
<iframe>	width
<img>	width
<input>	width
<object>	width
<video>	width

Examples

Canvas Example

A <canvas> element with a height and width of 200 pixels:

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Embed Example

A flash animation with a height and width of 200 pixels:

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Iframe Example

An <iframe> with a specified height and width of 200 pixels:

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Img Example

An image with a height and a width of 42 pixels:

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Input Example

Define an image as the submit button, with height and width attributes:

<form action="/action_page.php">
First name: <input type="text" name="fname"><br>
Last name: <input type="text" name="lname"><br>
<input type="image" src="img_submit.gif" alt="Submit" width="48" height="48">
</form>

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Object Example

A flash animation with a height and width of 400 pixels::

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Video Example

A video player with a specified width and height:

<video width="320" height="240" controls>
<source src="movie.mp4" type="video/mp4">
<source src="movie.ogg" type="video/ogg">
Your browser does not support the video tag.
</video>

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Browser Support

The width attribute has the following browser support for each element:

Element
canvas	4.0	9.0	2.0	3.1	9.0
embed	Yes	Yes	Yes	Yes	Yes
iframe	Yes	Yes	Yes	Yes	Yes
img	Yes	Yes	Yes	Yes	Yes
input	1.0	Yes	16.0	Yes	1.0
object	Yes	Yes	Yes	Yes	Yes
width	Yes	Yes	Yes	Yes	Yes

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