The read-only startOffset property of the StaticRange interface returns the offset into the start node of the range's start position.
StaticRange: startOffset property
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 |
|---|
| DOM Standard # ref-for-dom-range-startoffset① |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
startOffset |
60 | 18 | 69 | No | 47 | 10.1 | 60 | 60 | 79 | 44 | 10.3 | 8.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/StaticRange/startOffset