Window: scrollByLines() method
Non-standard: This feature is not standardized. We do not recommend using non-standard features in production, as they have limited browser support, and may change or be removed. However, they can be a suitable alternative in specific cases where no standard option exists.
TheWindow.scrollByLines() method scrolls the document bythe specified number of lines.
Syntax
js
scrollByLines(lines)Parameters
linesThe number of lines to scroll the document by. It may be apositive or negative integer.
Return value
None (undefined).
Examples
html
<button>Up 5 lines</button><button>Down 5 lines</button>js
document.getElementById("scroll-up").addEventListener("click", () => { window.scrollByLines(-5);});document.getElementById("scroll-down").addEventListener("click", () => { window.scrollByLines(5);});Specifications
This is not part of any specification.