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OVERFLOW CSS RETURN CODE
OVERFLOW CSS RETURN WINDOWS

scrollWidth/scrollHeight – the width/height of the content, just like clientWidth/clientHeight, but also include scrolled-out, invisible part of the element.clientWidth/clientHeight – the width/height of the content including paddings, but without the scrollbar.For right-to-left OS the vertical scrollbar is on the left so clientLeft includes its width too. For left-to-right OS they are always the widths of left/top borders. clientLeft/clientTop – the distances from the upper-left outer corner to the upper-left inner (content + padding) corner.

offsetWidth/offsetHeight – “outer” width/height of an element including borders.

offsetLeft/offsetTop – coordinates relative to the upper-left edge of offsetParent.

offsetParent – is the nearest positioned ancestor or td, th, table, body.

SummaryĮlements have the following geometry properties: Please note that the described difference is only about reading getComputedStyle(.).width from JavaScript, visually everything is correct. Overflow comes into play more commonly when explicit widths and heights are set and it would be undesirable for any content to spill out, or when scrolling is explicitly being avoided. That’s because Firefox returns the CSS width and other browsers return the “real” width. But Firefox shows 300px, while Chrome and Edge show less.

OVERFLOW CSS RETURN WINDOWS

On a Desktop Windows OS, Firefox, Chrome, Edge all reserve the space for the scrollbar. The element with text has CSS width:300px. If your browser reserves the space for a scrollbar (most browsers for Windows do), then you can test it below. Such cross-browser differences is the reason not to use getComputedStyle, but rather rely on geometry properties.

Firefox) – CSS width (ignore the scrollbar). Chrome) return the real inner width, minus the scrollbar, and some of them (e.g. …But with getComputedStyle(elem).width the situation is different. And clientWidth/clientHeight take that into account. So the real width available for the content is less than CSS width.

OVERFLOW CSS RETURN CODE

Sometimes the code that works fine without a scrollbar becomes buggy with it, because a scrollbar takes the space from the content in some browsers. So here CSS width is useless.Īnd there’s one more reason: a scrollbar. Alert( getComputedStyle(elem).width ) // autoįrom the CSS standpoint, width:auto is perfectly normal, but in JavaScript we need an exact size in px that we can use in calculations.