Web/API/Window/scrollBy

The Window.scrollBy() method scrolls the document in the window by the given amount.

Syntax

window.scrollBy(x-coord, y-coord);
window.scrollBy(options) 

Parameters

• x-coord is the horizontal pixel value that you want to scroll by.
• y-coord is the vertical pixel value that you want to scroll by.

- or -

• options is a ScrollToOptions dictionary.

Examples

To scroll down one page:

window.scrollBy(0, window.innerHeight);

To scroll up:

window.scrollBy(0, -window.innerHeight);

Using options:

window.scrollBy({
  top: 100,
  left: 100,
  behavior: 'smooth'
});

Notes

window.scrollBy() scrolls by a particular amount, whereas window.scroll() scrolls to an absolute position in the document. See also window.scrollByLines() and window.scrollByPages().

Specification

Specification	Status	Comment
CSS Object Model (CSSOM) View ModuleThe definition of 'window.scrollBy()' in that specification.	Working Draft	Initial definition.

Browser Compatibility

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
scrollBy	Chrome Full support 1	Edge Full support 79 Full support 79 No support 12 — 79 Notes' Notes' Only scrollBy(x-coord, y-coord) is supported.	Firefox Full support 1	IE Partial support 11 Notes' Partial support 11 Notes' Notes' Only scrollBy(x-coord, y-coord) is supported.	Opera Full support 3	Safari Full support 1	WebView Android Full support 1	Chrome Android Full support 18	Firefox Android Full support 4	Opera Android Full support 10.1	Safari iOS Full support 1	Samsung Internet Android Full support 1.0
ScrollToOptions parameter	Chrome Full support 45	Edge Full support 79	Firefox Full support Yes	IE No support No	Opera Full support 32	Safari No support No	WebView Android Full support 45	Chrome Android Full support 45	Firefox Android Full support Yes	Opera Android Full support 32	Safari iOS No support No	Samsung Internet Android Full support 5.0

Legend

Full support  

Full support

Partial support  

Partial support

No support  

No support

See implementation notes.'

See implementation notes.

Window.scrollBy() by Mozilla Contributors is licensed under CC-BY-SA 2.5.