background-attachment
The background-attachment CSS property specifies whether background images are fixed with regard to the viewport (fixed), or scroll along with the element (scroll), or its contents (local).
Syntax
CSS
background-attachment: value;
JS
object.style.backgroundAttachment = "value";
Values
<'background-attachment'> = <attachment>#
<attachment> = scroll | fixed | local
scroll
The background is fixed with regard to the element itself.
fixed
The background is fixed with regard to the viewport.
local
The background is fixed with regard to the element's contents.
Initial
scroll