Should scrollbars be integrated into the viewport width when content differs?

1. Does view width include scrollbar?
2. Why does 100vw includes scrollbar?
3. What does width 100vw do?
4. What is viewport width 100vw?

Does view width include scrollbar?

Many assume that width: 100vw is the same as width: 100% . This is true on a page that doesn't scroll vertically, but what you might not realize is that the viewport actually includes the scrollbars, too.

Why does 100vw includes scrollbar?

Why does 100vw include the scrollbar width? If the root element's overflow value is auto (its default) then vw includes the scrolbar in the width when it appears.

What does width 100vw do?

100VW would represent 100% of the viewport's width, or the full width of the screen.

What is viewport width 100vw?

In some browsers, the viewport width includes the scroll bar. When using width: 100vw in browsers that are configured to show a full scroll bar, that evaluates to the width of the visible website plus the scroll bar width. But an element with that width is actually wider than what is visible in the browser's viewport.