The Element.scrollTop property gets or sets the number of pixels that the content of an element is scrolled upward. An element's scrollTop is a measurement of the distance of an element's top to its topmost visible content. When an element content does not generate a vertical scrollbar, then its scrollTop value defaults to 0.
Syntax
// Get the number of pixels scrolled var intElemScrollTop = someElement.scrollTop;
After running this code, intElemScrollTop is an integer corresponding to number of pixels that the element's content has been scrolled upward.
// Set the number of pixels scrolled element.scrollTop = intValue;
scrollTop can be set to any integer value, with certain caveats:
- If the element can't be scrolled (e.g. it has no overflow or if the element is non-scrollable),
scrollTopis set to0. - If set to a value less than
0,scrollTopis set to0. - If set to a value greater than the maximum that the content can be scrolled,
scrollTopis set to the maximum.
Example
padding-top
Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
padding-bottom
Specifications
| Specification | Status | Comment |
|---|---|---|
| CSS Object Model (CSSOM) View Module The definition of 'scrollTop' in that specification. |
Working Draft |