Non-standard: This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The Window.scrollByLines() method scrolls the document by the specified number of lines.




  • lines is the number of lines to scroll the document by. It may be a positive or negative integer.

Return value

None (undefined).


<!-- Scroll up the document by 5 lines -->
<button id="scroll-up" onclick="scrollByLines(-5);">Up 5 lines</button>

<!-- Scroll down the document by 5 lines -->
<button id="scroll-down" onclick="scrollByLines(5);">Down 5 lines</button>


This is not part of any specification.

Browser compatibility

BCD tables only load in the browser

See also