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


var startOffset = staticRange.startOffset


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


Specification Status Comment
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

ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
startOffsetChrome Full support 60Edge Full support 18Firefox Full support 69IE No support NoOpera Full support 47Safari Full support 10.1WebView Android Full support 60Chrome Android Full support 60Firefox Android No support NoOpera Android Full support 44Safari iOS Full support 10.3Samsung Internet Android Full support 8.0


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