AbstractRange.startOffset

The read-only startOffset property of the AbstractRange interface returns the offset into the start node of the range's start position.

Syntax

var startOffset = range.startOffset

Value

An integer value indicating the number of characters into the Node indicated by startContainer at which the first character of the range is located.

Specifications

Specification Status Comment
DOM
The definition of 'startOffset' in that specification.
Living Standard
Static Range
The definition of 'startOffset' in that specification.
Editor's Draft Initial definition.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
startOffsetChrome No support NoEdge No support 18Ā ā€” 79Firefox Full support 69IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoFirefox Android No support NoOpera Android No support NoSafari iOS No support NoSamsung Internet Android No support No

Legend

Full support Ā 
Full support
No support Ā 
No support