AbstractRange: collapsed property
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.
The read-onlycollapsed property of theAbstractRange interface returnstrue if the range's start position and end position are the same.
A collapsed range is empty (containing no content), and specifies a single point in a DOM tree. To collapse a range, see theRange.collapse() method.
Value
A boolean value which istrue if the range iscollapsed. A collapsed range is one in which the start and end positions are the same, resulting in a zero-character-long range.
Example
js
const range = document.createRange();range.setStart(startNode, startOffset);range.setEnd(endNode, endOffset);const isCollapsed = range.collapsed;Specifications
| Specification |
|---|
| DOM # ref-for-dom-range-collapsed① |