Window.scrollMaxY

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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.scrollMaxY read-only property returns the maximum number of pixels that the document can be scrolled vertically.

Syntax

yMax = window.scrollMaxY
  • yMax is the number of pixels.

Example

// Scroll to the bottom of the page
let maxY = window.scrollMaxY;

window.scrollTo(0, maxY);

Notes

Do not use this property to get the total document height, which is not equivalent to window.innerHeight + window.scrollMaxY, because window.innerHeight includes the width of any visible horizontal scrollbar, thus the result would exceed the total document height by the width of any visible horizontal scrollbar. Instead use document.body.scrollHeight. See also window.scrollMaxX and window.scrollTo.

Specification

This is not part of any specification.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
scrollMaxY
Non-standard
Chrome No support NoEdge ? Firefox Full support YesIE ? Opera ? Safari ? WebView Android No support NoChrome Android No support NoFirefox Android Full support YesOpera Android ? Safari iOS ? Samsung Internet Android ?

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.