HTML Standard attribute: width
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The
HTML width attribute indicates the width of
an element. It applies to <canvas>, <embed>, <iframe>, <img>, <input>, <object> and <video> elements.
Valid attribute
values (when used with <canvas>, <embed>, <iframe>, <img>, <input>, <object> and <video> elements)
include:
|
Value
|
Description
|
|
number
|
Width of element or
embedded content in pixels, e.g. width="20"
|
|
percentage
|
Width as a percentage
of surrounding element, e.g. width="30%"
|
Note: for some browsers
and for some (but not all) of the elements listed above it appears to be
necessary if the width is being set in JavaScript to set it using the CSS width property, e.g.
in the form element.style.width
= "20px" rather than using the width
attribute.
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