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This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The Selection.focusOffset read-only property returns the number of characters that the selection's focus is offset within the Selection.focusNode.

This number is zero-based. If the selection ends with the first character in the Selection.focusNode, 0 is returned.

Syntax

offset = sel.focusOffset

Specifications

Specification Status Comment
HTML Editing APIs
The definition of 'Selection.focusOffset' in that specification.
Editor's Draft Initial definition
Selection API
The definition of 'Selection.focusOffset' in that specification.
Working Draft Current

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
focusOffset
Experimental
Chrome Full support YesEdge Full support 12Firefox Full support YesIE ? Opera Full support YesSafari Full support YesWebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support YesOpera Android Full support YesSafari iOS Full support YesSamsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown
Experimental. Expect behavior to change in the future.
Experimental. Expect behavior to change in the future.

See also

Étiquettes et contributeurs liés au document

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