Window: scrollByLines() method

{{APIRef}} {{Non-standard_header}}

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

Syntax

scrollByLines(lines)

Parameters

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

Return value

None ({{jsxref("undefined")}}).

Examples

<button id="scroll-up">Up 5 lines</button>
<button id="scroll-down">Down 5 lines</button>

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.

Browser compatibility

{{Compat}}

See also

• {{domxref("window.scroll()")}}
• {{domxref("window.scrollBy()")}}
• {{domxref("window.scrollByPages()")}}
• {{domxref("window.scrollTo()")}}