The collapsed read-only property of the AbstractRange interface returns true if the range's start position and end position are the same.


var isCollpased = range.collapsed


A Boolean value which is true if the range is collapsed. A collapsed range is one in which the start and end positions are the same, resulting in a zero-character-long range..


Specification Status Comment
The definition of 'collapsed' in that specification.
Living Standard
Static Range
The definition of 'collapsed' in that specification.
Editor's Draft Initial definition.

Browser compatibility

The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.

ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
collapsedChrome No support NoEdge No support 18 — 79Firefox Full support 69IE No support NoOpera No support NoSafari No support NoWebView Android No support NoChrome Android No support NoFirefox Android No support NoOpera Android No support NoSafari iOS No support NoSamsung Internet Android No support No


Full support
Full support
No support
No support