The read-only startOffset property of the StaticRange interface returns the offset into the start node of the range's start position.
StaticRange.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 |
|---|
| 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
|
No
|
44
|
10.3
|
8.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/StaticRange/startOffset
