HTMLElement.offsetWidth read-only property returns
the layout width of an element as an integer.
offsetWidth is a measurement in pixels of the element's CSS
width, including any borders, padding, and vertical scrollbars (if rendered). It does
not include the width of pseudo-elements such as
If the element is hidden (for example, by setting
style.display on the
element or one of its ancestors to
An integer corresponding to the
offsetWidth pixel value of the element. The
offsetWidth property is a read-only.
Note: This property will round the value to an integer. If you need a fractional value, use
|CSSOM View Module
offsetWidth is a property of the DHTML object model which was first
introduced by MSIE. It is sometimes referred to as an element's physical/graphical
dimensions, or an element's border-box width.
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