Window scrollBy()
Example
Scroll the document 100px horizontally:
window.scrollBy(100, 0);
Try it Yourself »
Scroll the document 100px vertically:
window.scrollBy(0, 100);
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More examples below.
Description
The scrollBy() method scrolls the document by the specified number of pixels.
Note
For the scrollBy() method to work,
the document must be larger than the screen, and the scrollbar must be visible.
See Also:
Syntax
window.scrollBy(x, y)
or just:
scrollBy(x, y)
Parameters
| Parameter | Description |
| x | Required. Number of pixels to scroll (horizontally). Positive values scroll to the right, negative values to the left. |
| y | Required. Number ofpixels to scroll (vertically). Positive values scroll down, negative values scroll up. |
Return Value
| NONE |
More Examples
Scroll the document up and down:
<button onclick="scrollWin(0, 50)">Scroll down</button>
<button onclick="scrollWin(0, -50)">Scroll up</button>
<script>
function scrollWin(x, y) {
window.scrollBy(x, y);
}
</script>
Try it Yourself »
Scroll the document right and left:
<button onclick="scrollWin(100, 0)">Scroll right</button>
<button onclick="scrollWin(-100, 0)">Scroll left</button>
<script>
function scrollWin(x, y) {
window.scrollBy(x, y);
}
</script>
Try it Yourself »
Browser Support
scrollBy() is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |
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