AbstractRange: startOffset property

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

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.

Example

js
let startOffset = range.startOffset;

Specifications

Specification
DOM Standard
# ref-for-dom-range-startoffset①

Browser compatibility

desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
startOffset