Window.mozPaintCount

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.

Obsolete since Gecko 72 (Firefox 72 / Thunderbird 72 / SeaMonkey 2.69)
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

Returns the number of times the current document has been painted to the screen in this window.

Syntax

var paintCount = window.mozPaintCount;
  • paintCount stores the window.mozPaintCount property value.
  • The window.mozPaintCount value is a long long, and starts at zero when the document is first created, incrementing by one each time the document is painted.

Specification

Not part of any W3C technical specification or recommendation.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
mozPaintCount
DeprecatedNon-standard
Chrome No support NoEdge No support NoFirefox No support 4 — 72IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoFirefox Android Full support 4Opera Android No support NoSafari iOS No support NoSamsung Internet Android No support No

Legend

Full support  
Full support
No support  
No support
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.