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.
A number.
| Specification |
|---|
| Selection API # dom-selection-focusoffset |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
focusOffset |
1 | 12 | 1 | 9 | ≤12.1 | 1.3 | 4.4 | 18 | 4 | ≤12.1 | 1 | 1.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/Selection/focusOffset