The read-only startOffset property of the AbstractRange interface returns the offset into the start node of the range's start position.
The read-only startOffset property of the AbstractRange interface returns the offset into the start node of the range's start position.
An integer value indicating the number of characters into the Node indicated by startContainer at which the first character of the range is located.
js
let startOffset = range.startOffset;
| Specification |
|---|
| DOM Standard # ref-for-dom-range-startoffset① |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
startOffset |
90 | 9018–79 | 69 | No | 76 | 14.1 | 90 | 90 | 79 | 64 | 14.5 | 15.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/AbstractRange/startOffset